Veronica Roth's tale of a dystopian Chicago, in which the city has been divided into five factions, representing honesty, intelligence, peacefulness, fearlessness and selflessness. Young members of each faction must past initiation tests of physical combat and… yeah, it's quite like
The Hunger Games
Tris Prior, who turns out to be a "divergent", i.e. somebody who is not just suited to one faction, but three. Which will she choose? Send for the sorting hat! Oh wait, wrong franchise...