An alien race hit the Earth in an unrelenting assault, unbeatable from a military unit in the world. Major William Cage (Cruise) is an officer who has never seen a day of combat, then unceremoniously fall into what amounts to a suicide mission. Killed within minutes, Cage now find them inexplicably thrown into a time loop and force him to live the same brutal combat, fight and die again and again. But with every battle, the cage can move opponents with the increase in capacity, in addition to Special Forces warrior Rita Vrataski (Blunt). And as Cage and Vrataski take the fight to the aliens, each repeated meeting gets them one step closer to defeat the enemy!