After rebels incredible discovery, Tris must leave the four walls that surround Chicago finally uncover the truth about the world around them, breathtaking. After rebels incredible discovery, Tris must go with four or go outside the walls, covering Chicago. For the first time in history, they will leave the city and the only family I ever knew. Once outside, the old discoveries quickly become meaningless to discover new truths amazing. Tris and four should decide quickly that they can trust as a ruthless battle in Chicago putting up walls, which threatens all humanity. To survive, they will be forced to make impossible choices Tris courage, loyalty, sacrifice and love.