Beatrice Prior and Tobias Eaton venture into the world outside of the fence and are taken into protective custody by a mysterious agency known as the Bureau of Genetic Welfare.

Beatrice Prior must confront her inner demons and continue her fight against a powerful alliance which threatens to tear her society apart.

In a world divided into factions based on personality types, Tris learns that she's been classified as Divergent and won't fit in. When she discovers a plot to destroy Divergents, Tris and the mysterious Four must find out what makes Divergents dangerous before it's too late.