身为博学派的领导人，珍宁（凯特·温丝莱特 Kate Winslet 饰）对分歧者翠丝（谢琳·伍德蕾 Shailene Woodley 饰）和老四（提奥·詹姆斯 Theo James 饰）展开了无情的追杀，翠丝的父母在追杀之中双双死去。 　　两人一路逃亡，并且不断的试图获取其他派系同仁的支援和结盟，想要扩大实力，推翻珍宁的残暴统治。让两人没有想到的是，曾经最一无是处的无派系阵营如今成为了革命的中坚力量，而反抗军的首领，竟然是老四失散多年的母亲伊芙琳（娜奥米·沃茨 Naomi Watts 饰）。然而，种种意外的发生令老四开始怀疑自己的母亲实际上另有打算，与此同时，翠丝亦发现了父母生前所隐藏的秘密。以这个秘密为诱饵，翠丝孤身一人来到了敌人大本营。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 horrors. War now looms as conflict between the factions and their ideologies grows. And in times of war, sides must be chosen, secrets will emerge, and choices will become even more irrevocable--and even more powerful. 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.