Falsely accused, Lucinda Price is sent to a strange reform school where she meets intriguing Daniel, who believes they've met before, and Cam, who claims to know why she's really there. Unsettled, Luce doubts her sanity and tries to flee.
Luce retrieves medical records, uncovers Daniel's past. Seeks truth about harming Cam after solitary punishment. Daniel initially refuses help but intervenes when Luce faces trouble.
Luce investigates missing memories at Sword and Cross reform school. Howson pursues escapee Cassie. Luce and Daniel uncover a hidden past. An attack leads them to a shocking discovery in a restricted room, hinting at sinister experiments.
Daniel hasn't aged in 20+ years at the facility, like other residents. Howson experiments on them, erasing memories. During Luce and Daniel's escape attempt, someone tips off Howson. The Outcast attacks Daniel as they flee.
Miriam hunts the Outcast while Howson operates on Daniel. As residents flee, the creature attacks. Luce learns who revealed their escape plan. Daniel unconsciously recalls a past life with Luce as she races to save him.
Miss Miriam shares secrets about Sword and Cross. Luce deals with Daniel's rejection meant to protect her from death, and disturbing visions of Penn dying. Despite Luce's warning, Penn breaks her promise to stay safe.
Mourning Penn's death, residents investigate a murder conspiracy. Confrontations with staff lead to Luce's entrapment and a library fire. Miss Sophia kidnaps Luce, planning a ritual sacrifice.