In the world where Beatrice Prior lives, people are divided into five factions, each of which is dedicated to a certain quality of the human personality. These factions are Truth, Altruism. Dashing, Camaraderie and Erudition. Every year on a certain day, teenagers who have reached the age of 16 have the right to choose their own path. What Beatrice decides will determine whether she will stay with her family or become who she really wants to be.

And the girl makes a choice that surprises everyone, including herself. Her life changes completely and irrevocably. She has new friends, new responsibilities and new feelings - love for a slightly unsociable and mysterious mentor. However, Tris also has her own secret, which is mortally dangerous for her if anyone finds out about it. And this secret is about to be revealed...