Chapter Summaries

Summary

Key Plot Points and Events

• Chen Ge visits Yu Jian's home at night to perform a treatment on him.
• Chen Ge discovers a blood-red door in Yu Jian's room leading to a school environment.
• Chen Ge finds himself in his past high school, with familiar classmates but a new English teacher, Zhang Ya.

Character Developments

• Chen Ge: Realizes the complexity of Yu Jian's situation and the stability of the World Behind the Door.
• Yu Jian: Sleeps through Chen Ge's initial attempt to treat him.
• Zhang Ya: Introduced as the new English teacher, causing Chen Ge to freeze in surprise.

Significant Themes

• The stability of the World Behind the Door and its connection to the Door Pusher's memories.
• The potential trap set by the Underworld Fetus.
• The revelation of a familiar figure, Zhang Ya, in an unexpected context.

Character Interactions

• Chen Ge interacts with his past classmates, recognizing the Math Class Representative.
• Chen Ge encounters his new English teacher, Zhang Ya, causing a significant reaction in him.

Key Plot Points and Events

• Chen Ge enters a classroom with Zhang Ya as the teacher, six years after her supposed death.
• The classroom and students are based on Chen Ge's memories, with some differences.
• Chen Ge discovers that the storybook's bloody words vanish after entering the World Behind the Door.
• He realizes that the world is a blend of his memories and someone else's, similar to the Spirit Medium School.

Character Developments

• Chen Ge: Struggles to accept Zhang Ya as a teacher and deals with his feelings for her. He remains determined to find the Underworld Fetus.
• Zhang Ya: Appears as a mature and gentle teacher, treating Chen Ge like a child. She shows no signs of recognizing Chen Ge's true identity.

Significant Themes

• Memory and reality: The world behind Yu Jian's door is a blend of Chen Ge's and another person's memories, challenging the distinction between reality and illusion.
• Identity and relationships: Chen Ge's feelings for Zhang Ya are complicated by her teacher role and lack of recognition.

Character Interactions

• Chen Ge and Zhang Ya: Their dynamic changes as Zhang Ya treats Chen Ge like a student, while Chen Ge grapples with his feelings for her.
• Chen Ge and the Round-faced Chubby Boy: The boy tries to engage Chen Ge in class, but Chen Ge is distracted by Zhang Ya and the world around him.

Key Plot Points and Events

• Chen Ge, a math teacher, struggles to teach due to the strange atmosphere in the school.
• He interrogates Du Ming, a student, about strange occurrences in the school and Du Ming's impressive academic performance.
• Chen Ge explores the school after hours and encounters rain, which he suspects might be hiding a curse.
• He meets Zhang Ya, a student, who offers to walk him to the bus station in the rain. They share a moment of connection.

Character Developments

• Chen Ge: He is curious, persistent, and initially aloof. He shows concern for Zhang Ya's well-being and is affected by her presence.
• Du Ming: He is intelligent, dedicated to his studies, and initially dismissive of Chen Ge's concerns about strange occurrences in the school.
• Zhang Ya: She is kind, considerate, and shows interest in Chen Ge's well-being. She shares a moment of connection with Chen Ge in the rain.

Significant Themes

• The contrast between day and night, representing the ordinary and the eerie.
• The power of memories and their influence on the World Behind the Door.
• The potential for connection and happiness even in strange and eerie circumstances.

Character Interactions

• Chen Ge and Du Ming: Their interaction highlights their different personalities and priorities. Du Ming is focused on academics, while Chen Ge is curious about the strange occurrences in the school.
• Chen Ge and Zhang Ya: Their interaction is subtle and charged with unspoken feelings. They share a moment of connection in the rain, with Zhang Ya showing concern for Chen Ge's safety and Chen Ge being affected by her presence.

Key Plot Points and Events

• Chen Ge enters a World Behind the Door that seems to be a version of his hometown, Liwan Town.
• He receives a call from Zhang Ya, who is worried about him and believes his father is looking for him.
• Chen Ge meets a man who appears to be his father but is actually a memory fragment.
• They walk home together, and the man buys leftovers from a vegetable vendor and helps him store his display boards.
• They return to a simple, warm apartment where they find Luo Ruoyu, Director Luo's daughter, who suffers from Angelman Syndrome.

Character Developments

• Chen Ge: Struggles with the realization that the man he meets is not his real father but a memory fragment. He remains calm and composed throughout the encounter.
• The Man (Memory Fragment): Displays concern and anger towards Chen Ge, mirroring the behavior of Chen Ge's real father from his memories.
• Luo Ruoyu: Appears childlike and innocent despite her age, clinging to Chen Ge like a small child.

Significant Themes

• Memory and reality: The World Behind the Door blurs the line between Chen Ge's memories and reality, forcing him to confront the truth about the man he meets.
• Family and belonging: The chapter explores the idea of family and the sense of belonging one feels towards their loved ones, even when faced with illusions.

Character Interactions

• Chen Ge and The Man: Their interaction is a poignant reminder of the power of memory and the emotional connections we form with our loved ones.
• Chen Ge and Luo Ruoyu: Their brief interaction highlights the innocence and vulnerability of those who suffer from mental disabilities, as well as the protective instincts that can arise in response to that vulnerability.

Key Plot Points and Events

• Chen Ge encounters Luo Ruoyu, his childhood playmate and Guardian Spirit of New Century Park, behind The Door of Yu Jian.
• Chen Ge has dinner with his father, who believes Chen Ge is avoiding him due to poor exam results. Chen Ge learns that his father misses his mother deeply.
• Chen Ge discovers that every time he opens the door of his home, a new day begins in The Town, causing unseen trauma to its inhabitants.
• Chen Ge decides to search for Yu Jian in Liwan Town, starting with the school, as Yu Jian's transformation began there.

Character Developments

• Chen Ge: Realizes the potential danger of opening the door at home and decides to limit its use to prolong the time in The Town. He becomes more determined to find Yu Jian.
• Chen Ge's Father: Shows concern for Chen Ge's well-being and believes in him, despite Chen Ge's strange behavior. His exhaustion and the tiny black particles under his skin worsen with each door opening.

Significant Themes

• Memory and Reality: The Town is a manifestation of Chen Ge's memories, blurring the line between his past and present.
• Time: The passage of time is manipulated by opening and closing the door, affecting both Chen Ge and the inhabitants of The Town.
• Family and Loss: Chen Ge's father misses Chen Ge's mother deeply, reflecting the theme of loss and longing for family.

Character Interactions

• Chen Ge and his Father: Their conversation at dinner reveals their shared grief over Chen Ge's mother. Despite Chen Ge's strange behavior, his father believes in him.
• Chen Ge and Luo Ruoyu: They share a tender moment as Luo Ruoyu expresses her desire to wait for Chen Ge's mother together.

Key Plot Points and Events

• Chen Ge enters the school, using his Yin Pupil to memorize students' faces.
• He plans to use club promotion as an excuse to search for Yu Jian in every classroom.
• Chen Ge is caught by a discipline teacher, Director Shi, who suspects he's hiding something in his bag.
• Zhang Ya intervenes, but Director Shi insists on checking Chen Ge's bag.
• Chen Ge reveals a pair of red high heels, claiming they're a memento from his mother, and leaves emotionally.

Character Developments

• Chen Ge: Shows determination in finding Yu Jian and understanding the Underworld Fetus. He also demonstrates emotional depth when revealing the high heels' significance.
• Director Shi: Shows strictness and dedication to his job but also has a compassionate side, as he's moved by Chen Ge's story.
• Zhang Ya: Shows concern for Chen Ge's well-being and acts as a mediator between him and Director Shi.

Significant Themes

• The theme of memory and its influence on reality is reinforced as Chen Ge suspects his past behavior in class has led to his current situation.
• The theme of truth and deception is explored as Chen Ge hides the true contents of his bag and invents a story to avoid revealing them.

Character Interactions

• Chen Ge and Du Ming: They chat briefly, with Du Ming suggesting they join the same club, giving Chen Ge an idea for his search.
• Chen Ge and Director Shi: They have a tense confrontation, with Director Shi suspecting Chen Ge of hiding something and Chen Ge trying to avoid revealing the contents of his bag.
• Chen Ge and Zhang Ya: Zhang Ya acts as a mediator between Chen Ge and Director Shi, showing concern for Chen Ge's well-being.

Key Plot Points and Events

• Chen Ge returns to class after his encounter with Director Shi and the mysterious teacher.
• He decides to search Liwan Town area by area for Yu Jian, starting with the school.
• Chen Ge spends the day in class, with Zhang Ya occasionally glancing at him with concern.
• After school, Chen Ge goes to the roof of the Teaching Building to look for Yu Jian but doesn't find him.
• Zhang Ya joins Chen Ge on the roof, offering to listen to his troubles.

Character Developments

• Chen Ge: He becomes more determined to find Yu Jian and help him, showing maturity beyond his age. He also opens up to Zhang Ya, showing vulnerability.
• Zhang Ya: She shows kindness and concern for Chen Ge, offering to listen to his problems. She remains gentle and caring despite her situation.

Significant Themes

• Despair and hope: Chen Ge wants to tell Yu Jian about the hope he's always held onto, while Yu Jian is drowning in despair.
• Isolation: Chen Ge feels he can't share his experiences with others, leading to a sense of isolation.
• The impact of environment: Chen Ge reflects on how different environments can lead a person's life in different directions.

Character Interactions

• Chen Ge and Zhang Ya: They share a moment of closeness on the roof, with Chen Ge leaning on Zhang Ya's shoulder. Zhang Ya shows understanding and empathy towards Chen Ge's troubles.
• Chen Ge and Yu Jian: Chen Ge's determination to find Yu Jian and help him grows, despite not finding him at school.

Key Plot Points and Events

• Chen Ge experiences a moment of peace and calm with Zhang Ya, feeling a sense of shyness afterward.
• He begins his search for Yu Jian in Liwan Town but finds nothing due to his limited access to buildings.
• Rain starts falling in the afternoon, and Chen Ge returns to the school.
• He tries to interact with his classmates but feels they are avoiding him.
• Chen Ge attempts to go to Du Ming's house but is refused.
• He waits for school to end, realizing the same day might be repeating.
• Zhang Ya walks him to the bus station, and Chen Ge decides not to take the bus to spend more time with her.

Character Developments

• Chen Ge starts experiencing Yu Jian's past, feeling isolated and unpopular among his classmates.
• He becomes more determined to find Yu Jian and break the deadlock.
• Zhang Ya shows kindness and concern towards Chen Ge, treating him like a student she cares for.

Significant Themes

• Isolation and Loneliness: Chen Ge experiences Yu Jian's past, feeling isolated and avoided by his classmates, mirroring Yu Jian's experiences.
• Time Loop: The repeating weather pattern suggests that the same day might be repeating, emphasizing the urgency for Chen Ge to find Yu Jian.
• Connection and Belonging: Chen Ge's desire to spend more time with Zhang Ya highlights his longing for connection and belonging in this world.

Character Interactions

• Chen Ge and Zhang Ya: Their interactions show a growing bond, with Zhang Ya treating Chen Ge kindly and protectively.
• Chen Ge and Du Ming: Despite Du Ming's initial reluctance, he shows a hint of understanding and connection with Chen Ge, possibly due to his link with Yu Jian.
• Chen Ge and his classmates: They avoid Chen Ge, reflecting Yu Jian's past experiences and Chen Ge's current isolation.

Key Plot Points and Events

• Chen Ge misses the last bus home, and Zhang Ya, his teacher, invites him to her apartment to avoid him getting caught in the rain.
• Chen Ge cooks a meal for Zhang Ya using the ingredients available in her refrigerator.
• They have dinner together, and afterwards, Chen Ge comforts Zhang Ya as she opens up about her past trauma involving dance and sexual harassment.

Character Developments

• Chen Ge: Shows his cooking skills and his ability to empathize with Zhang Ya's past trauma. He also demonstrates his determination to support her.
• Zhang Ya: Opens up about her past trauma, showing vulnerability and trust in Chen Ge. She also shows concern for Chen Ge's well-being.

Significant Themes

• Empathy and Understanding: Chen Ge understands Zhang Ya's past trauma and offers comfort, while Zhang Ya shows understanding and concern for Chen Ge's situation.
• Support and Companionship: Both characters express a desire for support and companionship, with Chen Ge promising not to leave Zhang Ya alone and Zhang Ya inviting Chen Ge into her home.

Character Interactions

• Chen Ge and Zhang Ya: Their relationship deepens as they spend time together, with Chen Ge cooking for Zhang Ya and comforting her, and Zhang Ya opening up about her past to Chen Ge. They share a moment of closeness and understanding.

Key Plot Points and Events

• Chen Ge and Zhang Ya spend a night together at her house, strengthening their bond.
• Chen Ge searches Liwan Town at night but finds nothing.
• Chen Ge returns to school and encounters strange behavior from his classmates.
• Zhang Ya is called to the director's office, and rumors spread about her.
• Chen Ge promises to work hard and asks Zhang Ya to meet him one last time if she decides to leave.

Character Developments

• Chen Ge: Becomes more attached to Zhang Ya and feels protective of her.
• Zhang Ya: Struggles with rumors about her but maintains her composure.
• Chen Ge's classmates: Begin to turn against Chen Ge, hinting at the approaching disaster.

Significant Themes

• The power of trust and understanding between Chen Ge and Zhang Ya.
• The growing tension and impending disaster in Liwan Town.
• The struggle between maintaining appearances and facing reality, as seen in Zhang Ya's situation.

Character Interactions

• Chen Ge and Zhang Ya: Their relationship deepens, with Chen Ge showing concern for Zhang Ya's well-being.
• Chen Ge and his classmates: Tensions rise as Chen Ge's classmates begin to turn against him.
• Chen Ge and his father: Chen Ge waits for his father at home, showing a desire to improve their relationship.

Key Plot Points and Events

• Chen Ge's father collapses and is hospitalized, revealing a curse on him.
• Chen Ge stays home to care for Luo Ruoyu, strengthening their bond.
• At school, rumors about Chen Ge and his Teacher spread, leading to a parent-teacher confrontation.
• Du Ming's behavior changes, hinting at his involvement in the rumors.

Character Developments

• Chen Ge: Struggles with his father's illness and the rumors, but remains determined to protect his loved ones.
• Du Ming: Becomes withdrawn and secretive, hinting at a struggle between his loyalty to Chen Ge and fear of his mother.
• Zhang Ya: Stands up for herself against the parents, showing her strength and dedication as a Teacher.

Significant Themes

• Rumors and Their Impact: The spread of rumors causes distress and harm to both Chen Ge and his Teacher, highlighting the destructive power of gossip.
• Family and Responsibility: Chen Ge's commitment to caring for his father and Luo Ruoyu emphasizes the importance of family and the responsibilities that come with it.
• Helplessness and Powerlessness: Chen Ge's inability to directly intervene in the parent-teacher confrontation reflects the helplessness and powerlessness one can feel in the face of injustice.

Character Interactions

• Chen Ge and his Father: Their conversation clears up misunderstandings, strengthening their bond.
• Chen Ge and Luo Ruoyu: Their relationship deepens as Chen Ge teaches Luo Ruoyu life skills, symbolizing his connection to the employees in his memories.
• Chen Ge and Du Ming: Their friendship is strained due to the rumors, with Du Ming struggling to maintain his loyalty to Chen Ge.
• Chen Ge and Zhang Ya: They support each other through the challenges they face, growing closer as friends.

Key Plot Points and Events

• Zhang Ya decides to leave Liwan Town due to the rumors and her past.
• Chen Ge visits the Teaching Building Rooftop with Zhang Ya, where she shares her decision.
• Luo Ruoyu gets scalded while trying to help with cooking, leading to Chen Ge taking her to the hospital.
• Du Ming is late for school, and his mother scolds him in front of the class.
• Chen Ge reveals that Zhang Ya has been dismissed from school, causing Du Ming to become agitated.
• Chen Ge takes Du Ming to the rooftop and reveals his feelings about Zhang Ya and love.

Character Developments

• Chen Ge: He continues to support and care for Luo Ruoyu, showing his commitment to his family. He also stands up for Du Ming in class and later reveals his deep understanding and feelings for Zhang Ya.
• Zhang Ya: She decides to leave Liwan Town to protect Chen Ge and his family from the rumors and her past. She shows her care and concern for Chen Ge's well-being.
• Du Ming: He is revealed to have feelings for Zhang Ya, leading to his emotional outburst when he learns about her dismissal. His actions and words suggest that he has been struggling with his feelings and the situation.

Significant Themes

• Love and Responsibility: Chen Ge discusses the qualifications and responsibilities that come with love, emphasizing that one should be able to shoulder the burden before pursuing it.
• Distance: The distance between life and death is introduced as a theme, representing the vast and insurmountable gap that can exist between two people, even when they care deeply for each other.

Character Interactions

• Chen Ge and Zhang Ya: They share a moment on the Teaching Building Rooftop, where Zhang Ya reveals her decision to leave, and Chen Ge expresses his understanding and support.
• Chen Ge and Du Ming: Their interaction in the classroom and on the rooftop reveals Du Ming's feelings for Zhang Ya and his frustration with the situation. Chen Ge's words and actions help Du Ming confront his emotions and understand the complexities of love and responsibility.

Summary of "Underworld Fetus's Love of Deprivation"

Key Plot Points and Events

• Chen Ge confronts Du Ming about the rumors and discovers Du Ming's mother is behind them.
• Du Ming reveals his mother's strict upbringing and her role in the rumors about Zhang Ya.
• Du Ming's mother arrives at the school, and a heated argument ensues between her and Director Shi.
• Du Ming, overwhelmed by the argument and the stares of his peers, attempts suicide by jumping out of the window but is stopped by Chen Ge.
• The argument triggers a transformation in the World Behind the Door, revealing Underworld Fetus and its influence on Du Ming.

Character Developments

• Chen Ge: Stands up for Zhang Ya, helps Du Ming face his problems, and ultimately saves Du Ming from suicide.
• Du Ming: Struggles with his mother's strict upbringing, feels guilty for the rumors, and attempts suicide due to emotional distress.
• Du Ming's Mother: Revealed to be the driving force behind the rumors, and her true form is Underworld Fetus, feeding on Du Ming's negative emotions.
• Zhang Ya: Absent but discussed; her professionalism and kindness are emphasized.

Significant Themes

• Love and Deprivation: The chapter explores the complex nature of love, particularly the love between parents and children. Du Ming's mother, driven by her love for her son, ends up depriving him of his happiness and ability to love others.
• Appearance vs. Reality: The World Behind the Door serves as a stark contrast to reality, revealing the true nature of Du Ming's mother and the influence of Underworld Fetus on Du Ming.
• Guilt and Redemption: Both Chen Ge and Du Ming grapple with guilt—Chen Ge for his role in the rumors, and Du Ming for his inaction. They both seek redemption through their actions.

Character Interactions

• Chen Ge and Du Ming: Chen Ge helps Du Ming face his problems and ultimately saves him from suicide, showing a deep understanding of Du Ming's situation and a desire to help him.
• Du Ming and His Mother: Their relationship is complex and strained, with Du Ming feeling suffocated by his mother's strict demands and her lack of understanding.
• Du Ming and His Peers: Du Ming's attempt to jump out of the window is witnessed by his peers, adding to his emotional distress and highlighting his social isolation.

Key Plot Points and Events

• Chen Ge discovers Yu Jian's World Behind the Door, a nightmare designed to imprison him.
• Chen Ge faces the Underworld Fetus, disguised as Du Ming's mother, who tries to manipulate Yu Jian.
• Chen Ge uses his Red-Clad employees to fight the Underworld Fetus and ultimately defeats it.
• Teacher Zhang calls Chen Ge, revealing she's leaving, and they meet at the crossroads of the town.
• The World Behind the Door collapses, and Chen Ge returns to reality with Yu Jian.
• Chen Ge finds Teacher Zhang's book stained with blood-red rain.

Character Developments

• Yu Jian: Overcomes his obsession with the Underworld Fetus and remembers his teacher, allowing him to leave the World Behind the Door.
• Chen Ge: Shows patience and understanding, helping Yu Jian and ultimately facing Teacher Zhang's departure.
• Teacher Zhang: Decides to leave, calling Chen Ge one last time before they meet at the crossroads.

Significant Themes

• The power of memory and obsession in creating worlds.
• The struggle between light and darkness, represented by the Underworld Fetus and Teacher Zhang.
• The consequences of manipulation and control, as seen in the Underworld Fetus's actions.

Character Interactions

• Chen Ge and Yu Jian: Chen Ge helps Yu Jian overcome his obsession with the Underworld Fetus.
• Chen Ge and Teacher Zhang: They meet one last time before she leaves, sharing a poignant moment.
• Chen Ge and the Underworld Fetus: Chen Ge faces and defeats the Underworld Fetus, saving Yu Jian.

Key Plot Points and Events

• Chen Ge returns from Yu Jian's World Behind the Door, exhausted but relieved.
• Yu Jian wakes up and decides to turn himself in, handing Chen Ge a list of his wrongdoings.
• Chen Ge learns the truth about Yu Jian's upbringing and the role his mother played in his psychological issues.
• Chen Ge takes a Clay Figurine inscribed with Yu Jian's name, awakening his shadow's girl further.
• Chen Ge receives messages on his Black Phone, revealing that the Underworld Fetus has lost its emotions and heart.
• He realizes that No-Smile from the Cursed Hospital stole the Underworld Fetus's heart and that there might be a connection between the Underworld Fetus and the Cursed Hospital.
• Chen Ge learns that Nie Xin, the child with a congenital heart disease, has passed away, and the attending Doctor is in a coma.

Character Developments

• Chen Ge: He grows more determined to protect the children chosen by the Underworld Fetus and becomes more aware of the threat posed by the Cursed Hospital.
• Yu Jian: He accepts his wrongdoings and decides to turn himself in, showing a newfound willingness to face the consequences of his actions.
• Yu Jian's mother: She finally opens up to Chen Ge about Yu Jian's past and her role in his psychological issues, showing a desire to make amends.

Significant Themes

• The consequences of exploitation and neglect: Yu Jian's upbringing highlights the theme of how exploitation and neglect can lead to psychological issues and harm both the exploited and the exploiter.
• The power of truth and acceptance: Yu Jian's decision to turn himself in and Chen Ge's insistence on learning the truth about the children's pasts emphasize the power of truth and acceptance in facing and overcoming one's problems.

Character Interactions

• Chen Ge and Yu Jian: Their interaction shows a shift in their relationship, with Yu Jian now willing to accept Chen Ge's help and guidance.
• Chen Ge and Yu Jian's mother: Their conversation leads to a breakthrough in understanding and communication, allowing Yu Jian's mother to acknowledge her past mistakes.
• Chen Ge and Li Zheng: Their interaction reveals the fate of Nie Xin and the attending Doctor, further motivating Chen Ge to protect the remaining children.

Key Plot Points and Events

• The author expresses dissatisfaction with the current direction of the Underworld Fetus's eye plot, finding it unscary and flat.
• They decide to delete the existing plot and rewrite it.

Character Developments

• The author: Shows self-criticism and willingness to improve their work by deciding to rewrite the unsatisfying plot.

Significant Themes

• Quality control: The author's dissatisfaction with the current plot highlights their commitment to maintaining high-quality storytelling.
• Creativity and revision: The decision to rewrite the plot emphasizes the importance of revising and refining one's work.

Character Interactions

• None (internal monologue)

Brief Reference

• Author deletes unsatisfying Underworld Fetus eye plot.
• Decides to rewrite and improve the plot.
• Themes: Quality control, creativity, and revision.

Key Plot Points and Events

• Chen Ge meets Zhen Zhen, a child with a connection to the Underworld Fetus, who shares dreams of other chosen children.
• Zhen Zhen describes a dream involving a blind man with many cats and a fishy, rotten smell.
• Chen Ge and Li Zheng find a potential match, Ying Chen, who runs a cat rescue website and has a blind younger brother.

Character Developments

• Zhen Zhen: Shows his ability to share dreams with other chosen children and provides crucial information about the blind man.
• Chen Ge: Demonstrates his keen observational skills and deductive reasoning by discovering inconsistencies in Ying Chen's videos.
• Ying Chen: Initially appears to be a kind and caring person, but Chen Ge suspects he has a dark side due to inconsistencies in his videos.

Significant Themes

• The duality of human nature: Ying Chen appears to be a kind person but may have a dark side that he hides from others.
• The power of observation and deduction: Chen Ge uses his keen observation skills and deductive reasoning to uncover potential clues and inconsistencies.

Character Interactions

• Chen Ge and Zhen Zhen: Chen Ge gently coaxes information out of Zhen Zhen, showing empathy and understanding.
• Chen Ge and Li Zheng: They work together, with Li Zheng providing access to police resources and Chen Ge using his unique skills and insights.
• Chen Ge and Ying Chen: Chen Ge pretends to be interested in advertising on Ying Chen's website to gain his trust and learn more about him.

Key Plot Points and Events

• Chen Ge visits Ying Chen's apartment in Mingyuan Residential Complex, discovering a foul odor and Ying Tong's strange behavior.
• Ying Chen goes out at midnight with a Black Bag, and Chen Ge sneaks into Ying Tong's room, finding a Blood Door at midnight.
• Chen Ge enters Ying Tong's World Behind the Door, experiencing an eternal night with no light.

Character Developments

• Ying Chen: Shows suspicious behavior, possibly hiding a corpse in the Black Bag.
• Ying Tong: Sleeps with a photo of Ying Chen, indicating a complex relationship with his brother.
• Chen Ge: Demonstrates caution and determination in exploring the World Behind the Door.

Significant Themes

• The Underworld Fetus's doors: Each door reflects the chosen child's fears and secrets, with increasing danger and bizarreness.
• Family dynamics: The relationship between Ying Chen and Ying Tong hints at a dark, twisted bond.

Character Interactions

• Chen Ge and Ying Chen: Chen Ge suspects Ying Chen's involvement in something sinister, while Ying Chen remains unaware of Chen Ge's true intentions.
• Chen Ge and Ying Tong: Chen Ge observes Ying Tong's sleeping behavior, noticing his fear and lack of security.

Key Plot Points and Events

• Chen Ge enters Ying Tong's World Behind the Door, which is completely dark.
• He explores Ying Tong's bedroom and finds a Braille Phone that rings, revealing Ying Chen's voice.
• Chen Ge checks other rooms in the house, discovering a room filled with hair and flesh, and a room with a headless corpse under Ying Chen's bed.
• A landline phone in the living room rings, and Ying Chen's voice asks if Ying Tong has returned home.

Character Developments

• Chen Ge: He adapts to the darkness using his Ghost Ear and Spirit Scent, demonstrating resilience and resourcefulness. His fear and unease grow as he encounters disturbing scenes.
• Ying Chen: Implied to be a murderer, as Chen Ge finds a headless corpse in his room. Ying Chen's voice on the phone suggests he's aware of Ying Tong's return.

Significant Themes

• Darkness as a symbol of the unknown and danger.
• The consequences of hidden secrets and past traumas.
• The struggle for survival in an unfamiliar and hostile environment.

Character Interactions

• Chen Ge interacts with the environment, using his senses to navigate the dark world.
• Chen Ge indirectly interacts with Ying Chen through the phone call.
• Chen Ge's employees are mentioned but not present, as they're still bound in their own worlds.

Key Plot Points and Events

• Chen Ge discovers Ying Chen's secret and hangs up the phone.
• Chen Ge leaves Ying Tong's house and encounters a cat in the stairwell.
• He hides in the left Corridor and confirms Ying Chen's return home.
• Chen Ge decides to leave the building temporarily.
• He encounters children in the stairwell who are looking for Ying Tong.
• One of the children pushes Chen Ge down the stairs.

Character Developments

• Chen Ge: Shows decisiveness in hanging up the phone and leaving Ying Tong's house. He demonstrates adaptability and quick thinking in navigating the World Behind the Door despite his blindness. He also shows resilience in getting back up after being pushed down the stairs.
• Ying Chen: Revealed to be intelligent, cunning, and terrifying. He walks silently and is predicted to use tools to catch Chen Ge.
• The Children: Display curiosity and a lack of fear towards Chen Ge. One of them pushes him down the stairs, showing aggression and a disregard for his well-being.

Significant Themes

• Fear of the unknown: Chen Ge's blindness in the World Behind the Door represents his inability to understand and navigate the situation fully, leading to increased tension and danger.
• Trust and suspicion: Chen Ge struggles to trust the children he encounters, highlighting the theme of not being able to distinguish between friend and foe in the World Behind the Door.
• Adaptability and resilience: Chen Ge's ability to adapt to his blindness and keep moving forward despite setbacks demonstrates his resilience and determination.

Character Interactions

• Chen Ge and Ying Chen: Their brief phone conversation reveals Ying Chen's intelligence and cunning, setting the stage for their confrontation.
• Chen Ge and the Children: Their encounter in the stairwell highlights the children's curiosity and aggression, as well as Chen Ge's struggle to trust them. The push down the stairs serves as a reminder of the danger posed by seemingly innocent characters in the World Behind the Door.