In a society that has organized itself into five factions, a teenage girl learns that she is a Divergent, and when she chooses to join a warring faction she discovers that her personality type is seen as a danger to other factions; as war surges in the dystopian society around her, Divergent 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; going beyond the wall for the first time, Tris and Four escape Chicago, learn shocking new truths, and become involved in a battle that threatens all of humanity.