The Divergent Series: Allegiant

Tris and Four must escape beyond the wall enclosing Chicago. For the first time ever, they will leave the only city and family they have ever known. Once outside, old discoveries are quickly rendered meaningless with the revelation of shocking new truths. Tris and Four must quickly decide who they can trust, as a ruthless battle ignites beyond the walls of Chicago—threatening all of humanity.

In order to survive, Tris will be forced to make impossible choices about courage, allegiance, sacrifice and love.