In a dystopian future, special types of robots called Sentinels have been programmed to kill mutants and any humans who decide to help them. As the terror escalates aggressively, Wolverine (Hugh Jackman) takes it upon himself to travel back in time and stop Mystique (Jennifer Lawrence) from assassinating Bolivar Trask (Peter Dinklage) — an event which led to the creation of these deadly robots in the first place.