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?

"Frey has spent her life in a family of deceivers, a stand-in for her sister, manipulated at her father's command. Free from them at last, she is finding her own voice -- and using it to question everything her family stood for. Tally was once the most famous rebel in the world. But for over a decade, she's kept to the shadows, allowing her myth to grow even as she receded. Now she sees that the revolution she led has not created a stable world. Freedom,...

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...