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. War now looms as conflict between the factions and their ideologies grows. Transformed by her own decisions but also by haunting grief and guilt, radical new discoveries, and shifting relationships, Tris must fully embrace her Divergence, even if she does not know what she may lose by doing so.