When his peaceful life is threatened by a high-tech assassin, former black-ops agent Frank Moses reassembles his old team in a last-ditch effort to survive and uncover the assailants.

In the afterlife, Nick Walker, a detective who used to work for the Boston Police Department, is hired by a director of a group of deceased police officers to fight against the renegade ghosts.

Due to a genetic disorder, handsome librarian Henry DeTamble involuntarily zips through time, appearing at various moments in the life of his true love, the beautiful artist Clare Abshire.

After the earth-shattering revelations of INSURGENT, Tris must escape with Four and go 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 which threatens all of humanity. In order to survive, Tris will be forced to make impossible choices about courage, allegiance, sacrifice and love.

One choice can transform you-or it can destroy you. But every choice has consequences, and as unrest surges in the factions all around her, Tris Prior must continue trying to save those she loves--and herself--while grappling with haunting questions of grief and forgiveness, identity and loyalty, politics and love. Tris's initiation day should have been marked by celebration and victory with her chosen faction; instead, the day ended with unspeakable horrors. War now looms as conflict between the factions and their ideologies grows. And in times of war, sides must be chosen, secrets will emerge, and choices will become even more irrevocable--and even more powerful. Transformed by her own decisions but also by haunting grief and guilt, radical new discoveries, and shifting relationships. Tris must fully embrace her Divergence, even if she does not know what she may lose by doing so.