All You Need Is Kill is the story of green recruit Keiji Kiriya fighting an epic battle against aliens called the Gitai determined to terraform Earth for themselves, even if that means turning it into a wasteland for its current inhabitants. To save the planet, Keiji must figure out the secrets of the Mimics, but first he encounters the legendary Full Metal Bitch — a woman with a crimson mecha “Jacket” named Rita Vrataski.