Tris Prior survived her initiation day physically. Emotionally, she is racked with guilt and anguish. Her parents sacrificed their lives to protect her. And she had to shoot her friend Will. There were no other options available. It was kill or be killed. Tris can't quite convince herself of this. But she has to pull herself together. Because the battle between the factions and the rebels still rages. Tris and her allies head back to Amity headquarters to heal their wounds and to plan the next stage of the insurgency. The stakes are getting higher, and the tactics are getting more diabolical. The action, suspense, and intrigue build to a shocking conclusion in this thrilling sequel to the New York Times bestseller Divergent.