Arc 1The Hogwarts Group Chat

Mysterious phones connected Hogwarts students to fans who knew their pasts and possible futures, shaping their choices through the school year. As the students left for summer, Harry learned the truth about Scabbers and Sirius, while the group uncovered Dobby’s plan to keep Harry from returning to Hogwarts.

Chapters 1–2525 summaries

Arc 2The Phone Changes the Year

Harry and his friends used the group chat to avert several dangers, expose Lockhart, and learn how Sirius Black had been framed. The third year began with Harry meeting Sirius, who remained intent on finding Peter Pettigrew as Harry received the Marauder’s Map and a Firebolt.

Chapters 26–5025 summaries