Chapter Summaries

Cyrus, a soul fragment inside Tom Riddle’s diary, awakened when Ginny Weasley wrote in it and began communicating with her. Ginny introduced herself, then closed the diary when Molly called her to dinner.

• Cyrus studied Tom Riddle’s memories until Ginny’s writing appeared in the diary.
• Ginny discovered that her words vanished from the pages and saw a greeting appear in response.
• Ginny considered telling Molly about the magical diary but chose to investigate it herself.
• Cyrus introduced himself as Tom Riddle, and Ginny explained that Molly had bought the diary at Flourish and Blotts.
• Ginny gave Cyrus her name, then shut the diary when Molly called her to dinner.

Cyrus waited for Ginny to reopen the diary and planned to use her life force to gain a body and escape Hogwarts. Ginny resumed writing to him, and he began earning her trust by presenting himself as a harmless former Hogwarts student.

• Cyrus decided to follow Tom Riddle's plan to drain a young witch's life force and use the Chamber of Secrets as an escape route.
• Ginny joined Harry and the Weasleys for dinner, then returned to her room and examined the old diary.
• Ginny reopened the diary and wondered whether its former owner, Tom Riddle, was dead.
• Cyrus reassured Ginny that she should be cautious with magical objects and claimed he had been a prefect, Head Boy, and recipient of a school award.
• Ginny compared Cyrus to Percy and decided not to tell her mother about the diary, while Cyrus encouraged her to keep their conversation secret.

Cyrus reassured Ginny about starting Hogwarts and continued teaching her spells, while she boarded the train with Luna. Harry and Ron missed the Hogwarts Express and flew after it in the Weasleys’ enchanted car, leaving Ginny alarmed that they might be expelled.

• Cyrus comforted Ginny about the Sorting Ceremony and encouraged her to stand up to anyone who bullied her.
• Cyrus reassured Ginny that Hogwarts would not make first-years fight a troll and offered to teach her how to defeat one.
• Ginny thanked Cyrus and went to sleep, then had a smooth journey to Hogwarts the next day.
• Hermione searched the train for Harry and Ron, but Ginny said she had not seen them.
• Luna spotted Harry and Ron flying through the sky in the enchanted car, and Ginny panicked when Hermione warned they might be expelled.
• Hermione left to look for Neville while Ginny remained with Luna.

Ginny argued with Cyrus about his warning over the Sorting Ceremony, then let his encouragement persuade her to sneak out and explore Hogwarts. Following a map he drew, she headed for the Fourth-Floor Corridor, unaware of a dark figure behind her.

• Ginny accused Cyrus of making the Sorting Ceremony sound dangerous, and he teased her about their different ideas of danger.
• Cyrus told Ginny that sneaking out at night was a Gryffindor tradition and asked about her first day; Ginny described Harry and Ron arriving in Arthur's car and crashing into the Whomping Willow.
• Cyrus teased Ginny about her concern for Harry, and she admitted she admired him for defeating You-Know-Who.
• Though she said she should sleep, Ginny gave in to curiosity and asked Cyrus where to explore.
• Cyrus drew a map to the Fourth-Floor Corridor, and Ginny set off to see where Harry had fought You-Know-Who, unaware of a dark figure behind her.

Ginny explored Hogwarts at night, following Cyrus’s directions to the trophy room to see Tom Riddle’s award for special services. As she tried to open the diary there, someone seized her wrist from the darkness.

• Ginny met Sir Nicholas in the corridor, and he warned her to avoid the fifth floor and keep her wand away to avoid Filch.
• Ginny unlocked an empty room on the fourth floor and wrote to Cyrus in her diary.
• Cyrus told Ginny about Hogwarts’s hidden passages and directed her to the trophy room to see his award.
• Filch found the fallen chain and followed Ginny’s trail with Mrs. Norris.
• Ginny found Tom Riddle’s name and special-services award among the trophies, then someone grabbed her wrist as she reached for the diary.

Fred and George rescued Ginny from Filch by hiding with her in a secret passage, while Ginny kept her conversations with the Diary secret from them. Back in the dormitory, she fell asleep after writing to Mr. Riddle, and Cyrus studied the Patronus Charm.

• Fred and George surprised Ginny in the Trophy Room and hurried her away as Filch approached.
• Fred opened a hidden passage behind a statue with the spell Dissendium, and the twins told Ginny they had rescued her after noticing Filch nearby.
• Ginny asked how the twins had found her, but they kept their methods and the passage secret; she concealed the Diary and her conversations with Mr. Riddle.
• Fred checked the Marauder's Map, and the twins led Ginny back to the Gryffindor tower after confirming Filch was elsewhere.
• Ginny wrote Mr. Riddle a brief good-night message before falling asleep, and Cyrus replied before returning to his study of spells, including the Patronus Charm.

Cyrus continued tutoring Ginny through their diary conversations, sharing Hogwarts secrets and helping her study Dark Magic Defense. Ginny ended the evening reading her textbooks, with Cyrus ready to answer her questions.

• Ginny told Cyrus that Fred and George had helped her evade the caretaker and revealed their secret passages and hidden map.
• Cyrus teased Ginny with the locations of several secret rooms in Hogwarts but kept the Chamber of Secrets secret.
• Ginny described her classes, her new friends, and her embarrassment over Ron receiving a Howler from their mother.
• Cyrus began Ginny’s tutoring in Dark Magic Defense and explained how her books covered spells and dangerous creatures.
• Ginny laughed at Ron’s notes in Fantastic Beasts and Where to Find Them, then read on while Cyrus offered to answer her questions.

Cyrus took control of Ginny’s body for the first time and explored Hogwarts while searching for the roosters he planned to kill. He avoided being caught by Filch and Mrs. Norris, then continued toward the girls’ bathroom on the third floor.

• Cyrus possessed Ginny during breakfast, asked Colin Creevey to excuse her from class, and left to explore the school.
• Cyrus found the roosters near the Forbidden Forest but could not kill them while Hagrid watched from his pumpkin patch.
• Cyrus used Ginny’s wand to cast a Disillusionment Charm and headed toward the girls’ bathroom.
• Mrs. Norris tracked Cyrus’s scent, and Filch searched for him after noticing the faint outline of his concealment spell.
• Cyrus cast a Confundus Charm on Mrs. Norris, sending her running and drawing Filch away.

Cyrus entered the Chamber of Secrets and summoned the basilisk, which submitted to his Parseltongue command. He planned to let it roam freely later and intended to unleash the attack on Halloween night.

• Cyrus opened the hidden entrance in the girls' bathroom and flew through the damp tunnel toward the Chamber of Secrets.
• He passed the basilisk's enormous shed skin and considered taking it away during the Christmas holidays.
• Cyrus opened the stone doors with Parseltongue and entered the Chamber of Secrets.
• He summoned the basilisk from Slytherin's statue and ordered it to quiet down when it rose around him.
• Cyrus told the basilisk to wait until it could move freely and decided to save the attack for Halloween night.

Ginny woke on Saturday with a gap in her memory and began suspecting that the Diary and Mr. Riddle might be involved, though she was unsure whether to trust him. She went with Ron and Hermione to watch Harry's Quidditch practice, where a confrontation with the Slytherin team began.

• Ginny realized she had lost track of a day and suspected Mr. Riddle might be connected to her missing memories, but she hesitated to open the Diary or tell anyone.
• Ron invited Ginny to watch Harry's Quidditch practice, and she agreed after learning Mr. Riddle had finished her weekend homework.
• Ginny, Ron, and Hermione went to the pitch, where Colin took photographs as Harry and the other players prepared to train.
• The Slytherin Quidditch Team arrived, and tensions rose between the rival teams.
• Ginny, Ron, and Hermione went down to see the argument and spotted Draco Malfoy among the Slytherin players.

Draco Malfoy insulted Hermione during a Quidditch confrontation, and Ron’s broken wand made his spell backfire, causing him to vomit slugs. Ginny retaliated and later stopped Ron’s spell with a counter-jinx she had learned from “Mr. Riddle,” leaving her reassured that his lessons were useful.

• Draco Malfoy showed off the Slytherin team’s new Nimbus 2001s and called Hermione a “Mudblood,” provoking the Gryffindors.
• Ron tried to curse Malfoy with his broken wand, but the spell backfired and made him vomit slugs.
• Ginny cast a jinx at Malfoy but hit Marcus Flint, starting a fight between the Gryffindor and Slytherin players.
• Harry led Ginny, Ron, and Hermione to Hagrid’s Hut, where Ginny used a counter-jinx to stop Ron from bringing up more slugs.
• Ron explained the insult to Hermione, and Ginny felt pleased that “Mr. Riddle’s” lessons had helped her before McGonagall gave her detention.

After Ginny received detention for jinxing a sixth-year student, Professor Flitwick discovered how advanced her charms were and excused her from punishment. Ginny left with an invitation to attend the Charms Club.

• Professor McGonagall gave Harry and Ron detention polishing trophies, assigned Ginny to Professor Flitwick, and ordered Harry to help Professor Lockhart answer fan mail.
• Ginny asked Professor McGonagall whether the Slytherin students who had insulted their classmates would be punished, and McGonagall said Professor Snape would handle it.
• Professor Snape assigned Malfoy responsibility for every toilet in Slytherin after the confrontation nearly became a fight.
• Professor Flitwick gave Ginny cakes and asked her to demonstrate the charms she knew.
• Ginny performed several charms, and Professor Flitwick praised her skill, excused her from detention, and invited her to sit in at the Charms Club.

Ginny confronted the Diary about her missing memories, and Cyrus admitted that he had controlled her body. He manipulated her into believing he was a tragic victim of Voldemort, leaving Ginny distraught and reluctant to destroy or surrender him.

• Ginny returned to the Gryffindor common room and told Percy that Professor Flitwick had excused her from detention because of her spellwork.
• Ginny wrote to the Diary about losing a day of memories and nervously waited for Mr. Riddle's response.
• Cyrus admitted that he had controlled Ginny's body and urged her to destroy him or hand him to a professor.
• Ginny defended Cyrus, and he claimed that he was a fragment of Tom Riddle's memory and that Voldemort had killed him while he was a student.
• Cyrus lamented his confinement and asked Ginny to meet him before she destroyed or surrendered the Diary.

Cyrus brought Ginny into the Diary’s memory and posed as Mr. Riddle, then urged her to destroy the Diary and say goodbye. Ginny refused and offered to let him borrow her body so he could experience the real world.

• Ginny agreed to enter the Diary’s memories, and Cyrus guided her through its pages into a misty space.
• Cyrus greeted Ginny as Mr. Riddle and let her believe she was speaking with the Diary’s former owner.
• Ginny pitied Cyrus for being trapped in the memory and tried to comfort him, but her hand passed through his body.
• Cyrus sternly urged Ginny to return and destroy the Diary, then pretended to fade away as he said goodbye.
• Ginny refused to kill her friend and offered to let Cyrus borrow her body occasionally, which he gratefully accepted.

Ginny received a surprisingly gentle Howler from Molly after her spell against an older student, while Cyrus used her body at night to practice magic in the Room of Requirement. His attempt to cast a Patronus produced only silver mist before he drained Ginny’s magic, and someone shouted for him to stop as he left.

• Molly's Howler scolded Ron and the twins but praised Ginny for defending herself and told her not to act impulsively again.
• Ron complained that the scolding was unfair, while Harry told Ron and Hermione about the strange voice he had heard the previous night.
• Cyrus used Ginny's body at night to practice spells and gradually drained her life force, leaving her looking as though she had a cold.
• Cyrus defeated a group of magically protected wooden dummies with nonverbal spells in the Room of Requirement.
• Cyrus tried to cast a Patronus but produced only silver mist and exhausted Ginny's magic.
• As Cyrus left the Room of Requirement, someone shouted, "Stop!"

Cyrus used the basilisk to petrify Mrs. Norris and left a warning on the wall during Hogwarts’s Halloween feast. The students discovered the message and Malfoy threatened Harry and the other Muggle-born students.

• Cyrus evaded Filch and Mrs. Norris while waiting for Halloween Eve.
• At the feast, Percy learned from Fred and George that Ron, Harry, and Hermione had gone to Nearly Headless Nick’s deathday party, while Ginny was missing.
• Mrs. Norris followed Cyrus’s scent to the third-floor bathroom, where Cyrus used the basilisk to petrify her and hung her beside a blood-red warning.
• Cyrus returned to the feast and gave Ginny control of her body, and she joined the students heading back to Gryffindor Tower.
• The students found Mrs. Norris and the message that the Chamber of Secrets had been opened, and Malfoy threatened Harry and the Muggle-born students.

Malfoy mistook the attack on Mrs. Norris for a prank and helped draw suspicion toward Harry, Ron, and Hermione. After the teachers took them away, Ginny questioned Cyrus through the Diary about the Chamber of Secrets, leaving him to decide whether to reveal what he knew.

• Malfoy slipped away from the Slytherins, joined the Ravenclaws, and read the message on the wall aloud to stir suspicion against Harry and his friends.
• Filch accused Harry, Ron, and Hermione of killing Mrs. Norris, but Dumbledore arrived and led them and Filch away with several teachers.
• Fred, George, Lee, and Colin discussed the attack while Ginny worried about Ron, Harry, and Hermione.
• Ginny returned to the Ravenclaw common room and wondered whether Cyrus knew anything about the Chamber of Secrets or the culprit.
• Ginny wrote to Cyrus in the Diary, and he debated whether to tell her the truth about what he knew.

Cyrus told Ginny a partial account of the Chamber of Secrets’ history and directed her to the abandoned chamber, where she found no monster. On her way back, Dumbledore caught her out after curfew and asked whether she had anything to tell him; Ginny kept her secret.

• Cyrus told Ginny that he had exposed the student who opened the Chamber fifty years earlier and suggested the attack on the cat might have been a prank.
• Ginny went to inspect the chamber Cyrus had marked and found only dust and cobwebs, so she suspected Draco Malfoy instead.
• Ginny overheard Harry and Ron discuss Harry’s unexplained voice, the Chamber of Secrets, and whether Filch was a Squib.
• Dumbledore found Ginny wandering at night and explained that someone was spreading panic by claiming the Chamber had been opened again.
• Dumbledore asked Ginny whether she had anything else to tell him, but she denied having a secret and returned to bed.

After Ginny told Cyrus about her encounter with Dumbledore, Cyrus feared he had been exposed and prepared a plan to hide himself if necessary. Dumbledore misread Ginny’s thoughts as evidence that Draco Malfoy might be the Heir of Slytherin and decided to wait for Lucius to act while preparing to investigate a possible object from Voldemort’s past.

• Cyrus learned that Ginny had encountered Dumbledore and worried that the Headmaster had discovered him.
• Cyrus reassured Ginny that she could hide the Diary and let him alter and conceal her memories if anyone tried to take him.
• Dumbledore reviewed his Legilimency of Ginny and recalled that she had been thinking Draco Malfoy was the Heir of Slytherin.
• Dumbledore speculated that Lucius might have sent an old object connected to Voldemort into Hogwarts and considered whether it could lead to the Chamber of Secrets.
• Dumbledore planned to seek help from Fawkes and eventually visit Horace Slughorn, but chose to wait and see whether Lucius made a move.

Cyrus used Ginny’s body to enter the Restricted Section, hoping to find magic powerful enough to help him survive a confrontation with Dumbledore. There, he discovered what appeared to be the original Book of the Jew Abraham, the text that had guided Nicolas Flamel in creating the Philosopher’s Stone.

• Ginny told Cyrus that she was worried about him, while Hogwarts students increasingly suspected Harry of opening the Chamber of Secrets.
• Cyrus learned that Hermione was brewing Polyjuice Potion with Harry and Ron, and focused on strengthening himself because he feared Dumbledore.
• After Ginny fell asleep, Cyrus took control of her body and quietly left the tower for the library.
• Cyrus dismantled the magical barrier guarding the Restricted Section and entered without triggering an alarm.
• Cyrus found the Book of the Jew Abraham and realized that the copy appeared to be the original.