This review includes spoilers.
Review:
Major William Cage is a military public relations officer with zero combat experience who suddenly finds himself shoved onto the front lines of humanity's war against the Mimics, alien beings who've been slaughtering humans pretty much since they first appeared. He lasts only a few minutes into the battle before dying. Then, for some reason, he wakes up at the beginning of what turns out to be a repeating time loop. His only clue as to what's going on is Sergeant Rita Vrataski, known as "the Angel of Verdun" due to her unheard-of Mimic kill count at the Battle of Verdun.
It seems that one of the reasons why Vrataski was so successful in Verdun was because she'd also experienced time loops. With Vrataski's help, Cage learns what causes the time loops and how to use them to more effectively fight the Mimics. However, there's one thing that Cage has to do in order to save humanity that even Vrataski couldn't manage: find and kill the Omega Mimic.
