Chapter Summaries

Identical packages delivered mobile phones to students and staff across Hogwarts, where the devices opened a group chat for Hogwarts fans. As Harry, Ron, Hermione, the Weasley twins, Draco, and others read messages about themselves, Snape ended the chapter frowning at his phone in disgust.

• Owls delivered identical packages to Harry, Ron, Hermione, Fred, George, Draco, Cedric, Dumbledore, McGonagall, Snape, and others at Hogwarts.
• Fred unlocked a phone, and Hermione discovered that its only app registered users for a Hogwarts fans’ group chat.
• Fred and George joined the chat, Cedric registered under his real name, and the students encountered fans discussing them and their families.
• Blaise showed Draco messages from people calling themselves Mrs. Malfoy, and Draco snatched the phone to read them.
• Snape received a phone and frowned in disgust as messages welcomed him to the group chat.

Harry stayed up all night reading the mysterious group chats, which revealed troubling details about his family and future while making him feel comforted. The next day, the group’s prediction that he would become a Seeker came true when McGonagall excitedly took Harry to meet Wood.

• Hermione felt uneasy that the group chat knew so much about her, while Harry admitted he thought its members were nice.
• Harry read messages claiming Snape had loved Lily and that his parents had been betrayed, and he learned about dangers he would face in the future.
• Harry spent the night reading messages about his parents and his life, leaving Neville frightened when he saw Harry awake with his phone.
• Fred and George showed Harry, Hermione, Ron, and Wood a message predicting Harry would become a Seeker during Flying Class.
• McGonagall and Harry appeared before a shocked Wood, confirming that the group’s prediction had come true.

Harry discovered the group chat’s albums, which showed pictures and fan creations about Hogwarts students and their families, while Fred and George’s attempt to uncover Quirrell’s turban failed. The chapter ended with a replacement phone package landing in Malfoy’s soup after Blaise had taken his original one.

• Harry recognized the group chat’s clues about Quirrell and watched Fred and George leave to try to pull off his turban.
• Yan uploaded a drawing of Harry, Ron, and Hermione, and Blaise discovered an album featuring alternate-house versions of Malfoy and Harry.
• Fred and George’s trap for Quirrell was exposed, earning them a week of detention, while Harry spent the night browsing the albums and found pictures of his parents and a young Dumbledore with a blond man.
• Fred and George showed Harry and Ron a picture of Quirrell without his turban, which they had found in another group chat.
• An owl delivered Malfoy a replacement phone package, dropping it into his soup because Blaise had taken his original one.

Malfoy joined the group chat after getting splashed with soup, while Cedric learned that the group believed he would die during the Triwizard Tournament. Dumbledore weighed the warnings about Quirrell and Halloween, and Fred and George recoiled from the group’s explicit messages about them.

• Malfoy took the phone from his package and left the Great Hall as Fred and George shared pictures and a video of him being splashed with soup.
• Cedric read messages predicting his death during the Goblet of Fire and wondered what they meant.
• Malfoy joined the group chat, then studied his Potions book before class with Snape.
• Dumbledore reviewed the group’s warnings about Quirrell, Voldemort, and Cedric, recorded his questions in the Pensieve, and decided to watch for a troll on Halloween.
• Fred and George read an explicit message about the twins, were shocked, and put Fred’s phone away.

As Halloween approached, Fred asked the group chat for prank ideas, and its members shared a frightening image of Malfoy and discussed Harry’s painful Halloween history. A warning that Quirrell would release a troll during Harry’s first-year Halloween party reached Dumbledore and students, leaving the school abuzz as the group began planning a Halloween cosplay relay.

• Fred returned to the group chat after avoiding it for two days and asked for Halloween prank suggestions, while Harry and Malfoy wondered who the chat members were.
• Oh My Mother posted a newly drawn Halloween meme of Malfoy, which Ron, Harry, Fred, George, and Blaise enjoyed while Malfoy remained unaware.
• Group members discussed Harry’s parents dying on Halloween and predicted that Quirrell would release a troll during Harry’s first-year Halloween party.
• Dumbledore saw the warning and suspected Quirrell was acting on Tom’s orders to reach the Philosopher’s Stone.
• Fred and George told Wood that Quirrell might be dangerous and have Voldemort’s face on the back of his head, then ran off after joking with him.
• As Halloween drew closer, the group proposed a cosplay relay, and Fred approved of the idea.

Fred and George planned to use the group chat to tease its members with hints about their real identities, while Blaise introduced Draco’s photo as a cosplay example. The twins realized Blaise had beaten them to a prank, and Draco sensed that someone was plotting against him.

• Fred and George discussed the group’s Halloween cosplay relay and planned to reveal their identities gradually, starting with their Halloween party.
• Harry struggled to focus on schoolwork and wondered whether to join the group event, while Snape took points from Gryffindor and praised Malfoy’s potion.
• Blaise asked the group about cosplay and posted a photo of Draco, prompting members to mistake him for a young actor and seek his contact information.
• Blaise guessed that the users My Younger Brother Isn't as Handsome as Me and My Older Brother Is Farting were Fred and George.
• Fred and George realized Blaise had already played a prank with Draco’s photo and vowed to devise a better one, while Draco suspected someone was plotting against him.

On Halloween, Fred and George secretly followed Quirrell and broadcast his attempt to release a Troll to the group chat, whose members mistook the real events for a staged performance. The twins escaped through a secret passage but ran into Snape, while someone in the chat loudly shouted his name.

• Fred and George joined the group voice chat and hid in a secret passage after spotting Quirrell sneaking through the castle.
• George announced a live broadcast, and Fred used a voice changer to narrate Quirrell's movements to the group.
• Quirrell released a real Troll and hurried away while Fred took a photo and George pulled him into hiding.
• Fred and George reached the third-floor corridor, where Snape confronted them with an injured leg.
• A group member shouted "Holy shit! Snape!!!!" through an unmuted microphone as Fred's phone camera caught Snape's angry expression.

The students saw evidence in the group chat that Quirrell had released the troll and exposed him before he could carry out his plan. After the troll was dealt with, Dumbledore prepared to interrogate Quirrell while Voldemort worried that his identity had been discovered.

• Fred and George’s voice chat video showed them encountering Snape before it cut off, and the Great Hall realized Quirrell had released the troll.
• Quirrell announced that a troll was in the dungeons, but the students tied him up and stunned him before Dumbledore ordered them back to their common rooms.
• Harry, Ron, and Hermione went looking for the troll after the professors had already left, only to find it dealt with and realize they had acted without thinking.
• Dumbledore revealed in the group chat that Snape was a member, while Snape punished Fred and George by taking five points from each of them.
• Dumbledore prepared to interrogate Quirrell as Voldemort feared his actions had exposed him and considered abandoning Quirrell’s body.

After Quirrell died, Dumbledore concealed his escape from the professors and students while McGonagall wondered whether the future-sent phones could help prevent tragedies. Hogwarts students used a linked website to discover their future House profiles, and the chapter ended when they found that Cedric had died.

• Dumbledore found Quirrell dead and told the professors to say he had been dismissed, while McGonagall suspected Voldemort had returned.
• Fred and George retold how Quirrell had released the Troll, strengthening students’ belief in the phones and their predictions.
• McGonagall studied the group’s messages about Sirius Black and Peter Pettigrew and wondered whether their future knowledge could prevent Lily and James’s deaths.
• Cedric and other students followed a group link to take a House test, and their results surprised them, including Harry’s Slytherin result and Fred’s Hufflepuff result.
• Students browsed profiles of future Hogwarts alumni, recognized older versions of themselves, and read that Cedric had died.

The students took the Patronus test and shared their results with the mysterious group, where members recognized Harry’s stag and the twins’ magpies. As coincidences raised suspicions about who was really in the group, the chapter ended with Hermione discovering that her idol Gilderoy Lockhart had stolen the adventures in his books.

• Ravenclaw students investigated what a Patronus was, while Blaise and Malfoy looked over Slytherin’s page.
• Harry’s Patronus appeared as a stag, and group members explained its connection to James, Lily, and Snape.
• Fred and George discovered that both their Patronuses were magpies, while group members noticed their names on the screenshots.
• Hermione worried that the students’ names and identities might reveal they came from another era, and Harry feared the group would eventually discover who he was.
• Wood rushed over and shook Fred after seeing that Fred’s test had placed him in Hufflepuff.
• Hermione found Lockhart listed as a Ravenclaw whose books came from stolen experiences, leaving her shocked that her idol had been exposed.

Dumbledore reviewed applicants for the Defence Against the Dark Arts position while students and Muggle chat-group members joked about the job and Draco. With the heads of houses temporarily covering classes and the first Quidditch match approaching, the story left the new professor’s identity unresolved.

• Snape hoped to become the new Defence Against the Dark Arts Professor, while Dumbledore reviewed the applicants and found Gilderoy Lockhart’s lengthy, self-praising résumé.
• Malfoy stayed up reading the chat, then learned from Blaise that he could silence his phone.
• Fred and George laughed at the chat’s jokes about Merlin’s underpants and becoming a tuft of Draco’s hair, while Draco read the messages and put his phone on silent.
• Draco found a group chat discussing a pet ferret named Draco and became uneasy when he saw its picture.
• Dumbledore rejected Lockhart as a likely candidate, noted Remus was not applying yet, and arranged for the heads of houses to cover Defence Against the Dark Arts until a professor arrived.
• Snape’s face darkened during the substitute lessons as the first Quidditch match Harry could complete safely drew near.

Wood used advice from his fan group to prepare Gryffindor for its match against Slytherin, while Hogwarts welcomed Gilderoy Lockhart as its new Defense Against the Dark Arts professor. The chapter ended as Harry, Wood, and the Gryffindor team prepared to begin the Quidditch match.

• Wood read his fan group’s predictions and advice about Slytherin’s tactics, then stayed up all night making notes and planned Gryffindor’s training around them.
• Fred and George arranged bets on whether Lupin or Lockhart would become the new professor, and Hermione chose not to bet.
• Lockhart arrived at Hogwarts, disappointing Harry and Ron, while Fred and George profited from bets on him.
• Blaise sent the group a photo of Lockhart, and its members mocked his appearance and teaching ability; Hermione and Ron explained Grindelwald’s history after the group joked about him teaching Defense Against the Dark Arts.
• Harry and the Gryffindor team prepared to face Slytherin, with Ron recording the match and Wood urging the team to follow their training before play began.

After Ron’s phone ran out of power, Harry asked the group how to charge it, and the students learned they needed a power bank. Mysterious parcels then delivered power banks to the phone owners, leaving the group wondering who had arranged the airdrop.

• Harry caught the Golden Snitch and won the Quidditch match for Gryffindor, while Ron recorded the victory on his phone.
• Ron’s phone stopped working, and Hermione explained that its battery had run out; the students realized their phones needed charging.
• Harry asked the group how his friend could revive a dead phone, and members suggested using a power bank and charging cable.
• Fred and George learned that phones and power banks were expensive, while Ron grew despondent without his phone.
• Owls delivered parcels containing power banks and cables to students who already had phones, including Ron and Harry.
• Harry told the group that the power bank had fallen from the sky, prompting shocked reactions as the battery problem was solved.

Dumbledore read a fan group’s messages about his relationship with Grindelwald and reflected on their lost past while Harry visited the Mirror of Erised. After Harry left, Dumbledore stood alone before the mirror and agreed with the group that love was what Voldemort lacked.

• Ron came back to life as classes began, and Lockhart’s self-centered Defense Against the Dark Arts test and theatrical stunts tormented the students.
• Dumbledore read his fan group’s discussions of Grindelwald and their tragic relationship, saving an illustration and quietly reflecting on their past.
• The group debated what Dumbledore had seen in the Mirror of Erised, while Dumbledore told Harry that he had seen himself receiving woolen socks.
• After Harry left, Dumbledore read more messages about love and Voldemort’s defeat, then murmured, “It was love.”

Draco returned home for Christmas and learned from the phone’s chat groups that fans expected him to face a grim future involving Dumbledore, leaving him confused and unsettled. Meanwhile, Fred and George embraced their online fandom roles and traded Christmas jokes with fans.

• On the train home, Draco refused to give Theodore his phone and later avoided telling Lucius about it.
• Draco reached home, hid his phone from Narcissa, and read chat messages predicting that he would have to kill Dumbledore and stop smiling as he grew up.
• Draco locked the phone in his bedside drawer, unsure why the messages about his future affected him.
• Fred and George chatted with fans about Christmas holidays and snowmen, then saved a picture of Fred burying George in snow.
• The chapter ended with comic fan videos about Draco and fans accidentally speaking Parseltongue around Harry.

Snape struggled with the future group chat and its fans, while Harry, Ron, and Hermione used the chat and Chocolate Frogs to learn about Nicolas Flamel. Fred and George rushed to finish their holiday homework, and Cedric realized the group had revealed his future death in the Triwizard Tournament and resolved to prepare.

• Snape read the group’s messages and fanfiction, grew irritated at their attempts to identify his Halloween cosplayer, and saved reaction images about taking points from Gryffindor.
• After returning from Christmas break, Hermione confronted Harry and Ron for neglecting their search for Nicolas Flamel, and Harry asked the group about him.
• Hermione recalled seeing Nicolas Flamel on Dumbledore’s Chocolate Frog card, and Harry found Dumbledore’s card in the third Frog he unwrapped.
• Fred and George hurried to finish their Transfiguration, Herbology, and Potions homework while reflecting on what they had learned from the group.
• Cedric read that he would die during the Triwizard Tournament, decided to prepare so he could avoid that fate, and wished the group a happy new year.

Harry, Ron, and Hermione learned that Hagrid had a dragon egg, while a group chat’s saved Draco/Harry fanfiction horrified the students who read it. When the egg hatched, Malfoy secretly filmed the event, and the Weasley twins caught him and led everyone back to Hogwarts through a secret passage.

• Hermione helped Harry and Ron find information about Nicolas Flamel, and Hagrid accidentally revealed that he had a dragon egg.
• Fred and George’s group chat exposed an old Draco/Harry fanfiction, which Blaise, Harry, Cho, and other students read with shock.
• Hagrid’s dragon egg hatched as Ron filmed it, Malfoy filmed Ron, and the Weasley twins filmed Malfoy.
• Hagrid spotted Malfoy outside the window, and Fred tripped and restrained him while George picked up his phone.
• The Weasley twins covered Malfoy’s eyes and led the group through a secret passage back to the castle, where Ron asked why they had been there.

Malfoy remained baffled by the group chat’s strange references while Hogwarts students and group members complained about mounting exam homework. Easter arrived, and the students filled the library to study as the chapter ended with comic schoolwork sketches and an author’s note about submitted IDs.

• Malfoy reread the group chat and the fanfiction titled “Overbearing Draco Falls in Love with Me,” but still could not work out what had happened during the mysterious earlier incident.
• Ron and Harry struggled with their homework while Hermione worried that the phone had distracted them from preparing for finals and went back to her dormitory with a stack of books.
• Professor McGonagall marked student work, praised Hermione’s assignment, and saw group members joking about exams and the confusing phrase “Good good study, day day up.”
• Blaise repeated the phrase to Theodore, who wondered whether Blaise had studied himself silly, while Malfoy finished an essay and ignored them.
• Easter arrived, and Hogwarts students crowded into the library to work through their holiday homework.
• The chapter’s skits showed Hermione telling Ron to enjoy studying and Fred discovering that a homework-search app could not handle Potions questions.

As Hogwarts students studied for finals, Cedric used his phone to chat with fans who wondered what he might do after graduation, and he said he would be happy to teach at Hogwarts. Harry and Ron headed to lunch, where Ron wondered what lay beneath the trapdoor, though the Philosopher’s Stone was safe and the students were able to focus on their exams.

• Hermione supervised Harry and Ron’s studying in the library after confiscating their phones, while Cho and other Ravenclaws used her phone to record and discuss their work.
• Cho’s friends teased her about adding Cedric as a friend, then pointed out that Cedric was studying nearby as girls secretly watched him.
• Fred and George reviewed for finals and joked about asking their fans for help cheating, while Lee warned that the fans knew plenty of Hogwarts gossip.
• Cedric read his fan groups, considered that he might enjoy returning to Hogwarts as a teacher, and told the fans to rest and look after themselves.
• Cedric joined his friends for lunch and told the fan group that he was busy reviewing for finals and had a lot of homework.
• As Harry and Ron walked to the Great Hall, Ron asked Harry whether he was curious about what lay beneath the trapdoor.

On the last day of the holiday, Harry and Ron rushed to finish Lockhart’s homework before returning to a more intense period of studying. As finals approached, Hagrid said goodbye to Norbert, and Harry, Ron, and Hermione tried to comfort him with a dragon model.

• Harry and Ron played Wizard’s Chess and chatted in the fan group until Hermione reminded them about Lockhart’s homework, sending them racing to finish it.
• Fred and George joked about Harry being a girl, and George shared a bold idea with Fred.
• Dumbledore kept Snape watching the third-floor corridor, and Charlie took Hagrid’s dragon away; the dragon was later revealed to be female and renamed Norberta.
• Harry, Ron, and Hermione made Hagrid a model of Norberta, and Hermione then made the boys catch up on their revision.
• Harry felt less nervous about finals after reading messages from others who were also struggling with exams, and the final exams began.