In a future Chicago, sixteen-year-old Beatrice Prior must choose among five predetermined factions to define her identity for the rest of her life, a decision made more difficult when she discovers that she is an anomoly who does not fit into any one group, and that the society she lives in is not perfect after all.

The faction-based society that Tris Prior once believed in is shattered--fractured by violence and power struggles and scarred by loss and betrayal. So when offered a chance to explore the world past the limits she's known, Tris is ready. But will she be prepared to face impossible choices about courage, allegiance, sacrifice and love?

One choice can transform you -- or it can destroy you. But every choice has consequences, and as unrest surges in the factions all around her, Tris Prior must continue trying to save those she loves -- and herself -- while grappling with haunting questions of grief and forgiveness, identity and loyalty, politics and love. Tris's initiation day should have been marked by celebration and victory with her chosen faction; instead, the day ended with unspeakable...

Sophomore Frankie starts dating senior Matthew Livingston, but when he refuses to talk about the all-male secret society that he and his friends belong to, Frankie infiltrates the society in order to enliven their mediocre pranks.