Chapter Summaries

As Hermione pushed the Time-Turner to its limits, Su Er began losing his memories of her, and he discovered that Dumbledore had forgotten her too. Dumbledore suspected the cause and sent Fawkes to summon Minerva.

• Su Er woke with a sense that something had been taken from him, briefly forgot who Hermione was, and then remembered her.
• Ariana showed Su Er that memories involving Hermione were turning gray and vanishing, including one from their childhood.
• Su Er hurried to Dumbledore’s office and found that Dumbledore did not recognize Hermione Granger.
• Su Er struggled to recall his past with Hermione and could only remember her choosing every elective that year.
• Dumbledore suspected he had identified the problem and sent Fawkes to fetch Minerva.

Su Er learned that Hermione Granger had vanished from everyone’s memory, though Hogwarts’s magical admission book still recorded her. He found that Harry faintly recognized her name but could not remember her, and he was left waiting to see whether the other Gryffindors knew her.

• Dumbledore asked Professor McGonagall about Hermione Granger, and she could not remember her.
• Dumbledore took Professor McGonagall and Su Er to an ancient room, where a magical book confirmed Hermione Granger’s admission to Hogwarts in 1985.
• Su Er spent the night in the Hufflepuff Common Room, and Cedric told him he did not know Hermione Granger.
• Su Er went to the Great Hall and asked Harry about Hermione; Harry did not remember her, though her name sounded familiar.
• Harry promised to ask the other Gryffindors about Hermione after Quidditch practice.

Su Er sought Dumbledore’s help after realizing Hermione Granger was trapped in a time labyrinth and that his memories of her were fading. Dumbledore prepared him to use a Time-Turner to search for Hermione, sending him to rest before their midnight departure.

• Su Er arrived at the Headmaster’s Office and struggled to remember why Hermione Granger mattered to him.
• Dumbledore and Professor McGonagall concluded that Hermione’s danger was causing people to forget her.
• Dumbledore explained that Hermione might be trapped in a time labyrinth and that Su Er would need to find and return her using a Time-Turner.
• Dumbledore warned Su Er not to interact with anyone in the past and told him to search several points in time if needed.
• Dumbledore sent Su Er to rest and told him to meet at the Headmaster’s Office at midnight, where Harry could help him avoid being seen.

Su Er borrowed Harry's Invisibility Cloak and took Crookshanks with him to the Hufflepuff dormitory, where he struggled with his fading memories of Hermione. After sleeping for ten hours with a calming potion, Su Er woke hungry and planned to visit the Kitchen with Crookshanks before taking a trip through time.

• Su Er met Harry at the Quidditch Pitch and asked to borrow his Invisibility Cloak.
• Harry let Su Er into the Gryffindor Common Room, where Su Er met Crookshanks and waited for Harry to retrieve the cloak.
• Su Er took Crookshanks to the Hufflepuff dormitory and worried that he would soon forget Hermione.
• Su Er drank a calming potion and slept for ten hours, with Crookshanks beside his pillow.
• Su Er woke at ten in the evening, picked up Crookshanks, and planned to get food in the Kitchen before taking a trip through time.

Su Er used Dumbledore’s Time-Turner to travel three days into the past, bringing Crookshanks with him. He arrived safely at midnight and slipped out of the Headmaster’s Office, while a portrait began to suspect someone had entered.

• Su Er left the Hufflepuff common room under the Invisibility Cloak and went to meet Dumbledore and Professor McGonagall.
• Dumbledore gave Su Er the Time-Turner and warned him to protect it, return at midnight, and avoid communicating with anyone in the past.
• At midnight, Su Er turned the Time-Turner three times and vanished as Dumbledore and McGonagall watched the clock.
• Su Er arrived three days earlier in the Headmaster’s Office, where Crookshanks was left dizzy by the journey.
• Su Er slipped out through the office door, and Arista woke in a portrait and wondered whether someone had broken in.

Su Er secretly entered Gryffindor Tower to check on Hermione and investigate when her apparent time-turning began. After confirming she was safe, he hid in the Room of Requirement and waited outside the common room the next morning, where he spotted a tired Hermione wearing a golden chain.

• Su Er used the week's password to persuade Sir Cadogan to open the Gryffindor Common Room entrance.
• Su Er sent an invisible Crookshanks to check Hermione's dormitory, and Crookshanks returned to confirm she was safe.
• Su Er hid in the Room of Requirement, wrote down the elective-class times he remembered, and fell asleep at his desk.
• Su Er followed Cedric Diggory to the Great Hall, secretly took bread, and waited near the Gryffindor entrance.
• Su Er saw Hermione emerge with dark circles under her eyes and a golden chain around her neck, but stayed hidden instead of following her.

Su Er followed Hermione through her Thursday schedule while hidden beneath the Invisibility Cloak, checking that she used the Time-Turner to attend overlapping classes. He waited for her in the Great Hall at lunchtime, where Hermione ate alone and exhausted.

• Su Er entered the Gryffindor common room, took Neville's timetable from his satchel, and went to Hermione's first class with Crookshanks beneath the Invisibility Cloak.
• Su Er watched his past self leave class with Hermione and realized he had caused Neville to lose his timetable.
• Su Er followed Hermione to a quiet corridor, hid when she looked around suspiciously, and then watched her enter an empty classroom and turn her Time-Turner.
• Hermione reappeared after traveling back twenty minutes and hurried into Muggle Studies, while Su Er went to the Great Hall to wait for her.
• Hermione arrived at lunch looking exhausted and ate alone as Su Er secretly fed Crookshanks chicken drumsticks.

Su Er recruited Crookshanks to watch Hermione’s use of the Time-Turner and stole two bottles of Snape’s Brain-Alertness Potion. After Hermione used the Time-Turner successfully near the Library, Su Er suspected the trouble would come from another use that night.

• Su Er instructed Crookshanks to count Hermione’s uses of the Time-Turner and promised him dried fish and beef.
• Su Er stunned and swapped the two Crookshanks in Hermione’s dormitory, then placated the angry cat with treats.
• Su Er entered Snape’s potion preparation room and secretly took two bottles of Brain-Alertness Potion.
• Su Er watched Hermione struggle with homework in the Library and followed her when she left.
• Su Er saw Hermione use the Time-Turner near the Library and reappear safely, then watched her head toward the Gryffindor Common Room.

Su Er waited in the Gryffindor Common Room for Hermione to return, then realized she had used the Time-Turner to travel back more than three hours. After taking Felix Felicis, he determined where and when to find her and used his own Time-Turner to follow.

• Su Er observed the Gryffindor students until Percy Weasley sent them to bed, then drank Snape's Brain-Alertness Potion to stay awake.
• Crookshanks came down from the girls' dormitories, and Su Er learned that Hermione had used the Time-Turner but had not returned to the common room.
• Su Er realized Hermione had traveled back beyond the Time-Turner's usual three-hour limit and worried he would not find her in time.
• Su Er drank Felix Felicis, which guided him to the Library on the Second Floor at eight twenty-eight in the evening.
• Su Er asked Crookshanks to wake the people in the dormitories and stay out of their reach, then turned his Time-Turner and vanished.

Su Er followed Hermione through the Castle and discovered she was trapped in a repeating thirty-second time capsule in the Library. He left the chapter realizing that Hermione’s loop was isolated from the surrounding spacetime and that she could not perceive him.

• Su Er slipped into the past Gryffindor Common Room and followed Hermione toward the Library without contacting anyone.
• Su Er overheard Sirius and Snape argue about Lily’s death and Sirius’s guilt before he continued toward the Library.
• Su Er found Hermione studying in the Library and noticed that the clock’s minute hand appeared to stall.
• Su Er watched Hermione repeat the same thirty seconds, then confirmed that she could not see or hear him or react to objects he disturbed.
• Su Er realized Hermione’s repeating interval had been separated from the main spacetime and formed a time capsule.

Su Er discovered that a book connected his isolated space to Hermione’s repeating moment and used timed spells to break it. The book shattered in a burst of light and a thunderous explosion, leaving the Library’s fate unresolved.

• Su Er tried to reach Hermione and escape the Library, but found himself trapped in a separate space where his magic could not affect her.
• Su Er watched Hermione repeat the same actions and reasoned that a shared link between their spaces could serve as a key.
• Su Er noticed that a book on the floor in his space still moved when Hermione turned its pages, identifying it as their connection.
• Su Er’s first attempt to destroy the book failed, so he timed another spell to strike when Hermione’s moment was frozen.
• Su Er repeatedly cast spells at the floating book until cracks spread across it and it shattered, filling the Library with light before a thunderous explosion.

Su Er destroyed the damaged key and rescued the unconscious Hermione from the Library, then placed her in the Gryffindor Common Room to complete the time loop. He returned Crookshanks and the Time-Turner to their proper places and explained Hermione’s time travel to Dumbledore, leaving the loop closed.

• Su Er touched the damaged book’s key with his wand, causing it to shatter, and escaped the Library with the unconscious Hermione just before Madam Pince arrived.
• Su Er carried Hermione to the Gryffindor Common Room and placed her on a sofa while using Crookshanks to draw the other students’ attention away.
• Su Er hid Crookshanks in the Room of Requirement and returned him to the common room the next morning after confirming Hermione was there.
• Su Er returned to the Headmaster’s Office at the right time and handed Dumbledore the Time-Turner.
• Su Er told Dumbledore that Hermione had traveled beyond the Time-Turner’s limits and said Felix Felicis had helped him find her.

Su Er learned Hermione had thanked him with a kiss after Professor McGonagall took away her Time-Turner, and he kept trying to win another kiss as the school year continued. Malfoy and his friends faced punishment for impersonating Dementors at a Quidditch match, while Hogwarts remained mostly peaceful until a particular day in March.

• Su Er found Hermione waiting in the Hufflepuff common room, and Hermione told him Professor McGonagall had taken her Time-Turner and explained that Su Er had remembered her.
• Hermione kissed Su Er on the corner of his mouth before running away.
• Malfoy and his two friends impersonated Dementors during a Ravenclaw-Gryffindor Quidditch match, and Harry frightened them by casting the Patronus Charm.
• Professor McGonagall docked fifty points from each Slytherin student and assigned all three detentions and punishment until the end of the school year.
• Hermione dropped some electives after losing her Time-Turner, while Sirius funded dark-creature lessons and Snape became increasingly strict.
• Su Er failed to get another kiss from Hermione, and Hogwarts remained peaceful until a particular day in March.

Hermione began her Animagus transformation in the Forbidden Forest during a thunderstorm, with Su Er, Sirius, and Professor Lupin watching over her. As she endured the painful transformation without losing consciousness, Sirius said she would soon become another wizard to master the ability.

• Hermione told Su Er that Professor Sinistra had predicted a thunderstorm for Friday evening, the right conditions for her Animagus transformation.
• Su Er, Hermione, Sirius, and Professor Lupin gathered in the Forbidden Forest, where Lupin explained how Animagus forms related to a wizard’s initial Patronus.
• When lightning struck and thunder sounded, Sirius told Hermione to begin, and she drank the potions prepared for the transformation.
• Hermione collapsed in pain as her limbs changed shape, while Su Er urged her to stay conscious and Sirius sheltered him from the rain.
• Sirius said Hermione’s transformation appeared to be going smoothly and that she would soon master the Animagus transformation.

Hermione completed her first Animagus transformation and discovered that she could turn into a black cat, but accidentally changed back into a human without clothes in front of Su Er. The next morning, she gave Su Er potion for his injuries and demanded that he forget what happened.

• Hermione emerged from her robes as a black cat after completing her first Animagus transformation, and Su Er picked her up to take her back to the Castle.
• In the Room of Requirement, Hermione changed back into human form without realizing she had left her clothes behind, and she screamed when she noticed Su Er watching.
• The next morning, Su Er showed up with a bruised face and gave Morn, Justin, and Harry an excuse for his injuries.
• Hermione hurried after Su Er in the Great Hall, handed him potion for external injuries, and told him to forget what had happened.

Su Er met Aberforth in Hogsmeade to look for ways to help Ariana, and Aberforth gave him books on the Patronus Charm. Su Er found Helga Hufflepuff’s old notes, which explored a deeper connection between the Patronus Charm and the world of the dead.

• Su Er met Aberforth at the Hog's Head and summoned his badger Patronus, which Aberforth held as a reminder of his sister, Ariana.
• Aberforth gave Su Er books from the family collection about the Patronus Charm and explained that Helga Hufflepuff had made one booklet from the skin of dark wizards who coveted the Founders’ treasures.
• Su Er read Hufflepuff’s warning that her writing on the soul was theoretical and should not be tested without sufficient strength.
• Su Er learned that Hufflepuff and Rowena Ravenclaw had studied the Patronus Charm and that Hufflepuff believed it connected to the world of the dead.
• Hufflepuff asked future readers who verified her theory to find her portrait at Hogwarts and tell her that her research was correct.

Su Er studied Lady Hufflepuff’s booklet for a way to help Ariana and considered the difficult magic that might let a Patronus reach the dead. Meanwhile, Hermione resumed acting normally around him, while Ron and Harry’s revenge on Malfoy earned them punishment from Snape.

• Su Er refused Aberforth’s offer to extract dark wizards’ souls and took Lady Hufflepuff’s booklet to study further.
• Su Er realized the booklet described ways a powerful Patronus might communicate with the dead or even bring them back, but the required magic was daunting.
• Su Er spent the following days studying complex spell theory, rituals, and Dark Magic in the Library.
• Hermione returned to behaving normally around Su Er and made him promise never to mention her Animagus transformation.
• Malfoy and his followers jinxed Ron after he provoked them, and Neville found Ron covered in slugs and suffering humiliating spells.
• Ron and Harry dumped foul-smelling sludge mixed with Dungbombs on Malfo, who reported them to Snape; Snape barred them from Hogsmeade and assigned them potion work.

During the Easter Holidays, Su Er joined the Weasley twins and Harry in the Forbidden Forest to collect spider legs and venom. After their dangerous outing, the four flew back toward the Castle to meet Hermione.

• Hermione and Su Er hinted that they had decided to drop Divination after Trelawney claimed one of her prophecies had come true.
• Su Er spent the Easter Holidays working through homework with Hermione while Harry endured Wood’s daily Quidditch training.
• Fred and George asked Su Er to take them and an exhausted Harry into the Forbidden Forest, and Su Er agreed.
• The four flew into the forest, stirred up a spider nest, and escaped with bundles of spider legs as Su Er covered their retreat.
• Su Er led the others back toward the Castle, where Hermione was waiting near Hagrid’s Hut.

Su Er watched Gryffindor and Slytherin battle in a rough Quidditch final, with Gryffindor building a strong lead through penalties and goals. Harry caught the Golden Snitch despite Malfoy’s interference, winning Gryffindor the Quidditch Cup.

• Su Er, Hermione, Harry, Fred, and George returned from an adventure with spider legs to roast.
• Gryffindor and Slytherin began the final as Lee Jordan commentated and Madam Hooch officiated.
• Fred struck Flint after Flint fouled Angelina, and Madam Hooch awarded penalties to both teams.
• Slytherin repeatedly fouled Gryffindor players, while Wood saved shots and Gryffindor extended its lead.
• Malfoy grabbed Harry’s Firebolt to stop him diving for the Snitch, earning Slytherin another penalty.
• Harry outpaced Malfoy, knocked his hand away, and caught the Golden Snitch, securing Gryffindor’s victory.

As final exams approached, Su Er took Hermione to see Hedwig and Little Ash’s three newly hatched owls before the students began their tests. The chapter ended with Ron suffering from Harry’s botched Cheering Charm and Malfoy being called in for his practical exam.

• Su Er led Hermione to the owls’ room, where she fed Hedwig and Little Ash’s three chicks.
• The third-year students began their exams, with Transfiguration as their first test.
• Hermione worried that Professor McGonagall would mark down her tortoise, while Su Er reassured her.
• Harry’s oversized wand movement during the Charms practical left Ron laughing uncontrollably.
• Professor Flitwick called Malfoy and Crabbe in for their Charms practical.