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.

The faction-based society that Tris Prior once believed in is shattered - fractured by violence and scarred by loss. So when offered a chance to explore the world past the limits she's known, Tris is ready. Perhaps beyond the fence she and Tobias will find a new life free from complicated lies, tangled loyalties and painful memories.

But Tris's new reality is even more alarming than the one she left behind. Once again Tris must battle to comprehend the complexities of human nature - and of herself - while facing impossible choices about courage, allegiance, sacrifice and love.

INCLUDES BONUS MATERIAL