Divergent

Divergent is a thrilling action-adventure set in a future world where society has been divided into five distinct factions. But Tris will never fit into any one group - she is Divergent, and what makes her different makes her dangerous. Targeted by a faction leader determined to eliminate all Divergents, Tris turns to the one person she believes she can trust: Four, an instructor for the militant Dauntless faction, and a man full of dark secrets. Together, Tris and Four uncover a mind-bending conspiracy that will put their courage to the ultimate test... and forever link their destinies.