In the world where Beatrice Pryor lives, people are divided into five factions, each dedicated to a specific quality of the human person. These factions are Truthfulness, Altruism. Bareness, Partnership and Erudition. Every year, on a certain day, adolescents who have reached the age of 16 have the right to choose their own path. What Beatrice decides depends on whether she stays with her family or becomes who she really wants to be. And the girl makes a choice that surprises everyone, including herself. His life is changed forever and ever.... She has new friends, new responsibilities and new feelings love for a little unsociable and mysterious mentor. However, Tris has his own secret, deadly to her in the event that someone finds out about it. And this mystery is about to be revealed...The book was also published under the title "The Chosen One".