认识到它的圈养巨猿的破坏力，军方制造了自己的战备人工智能——机甲猿。但是它的第一次实际测试出现了可怕的错误，使军方别无选择，只能释放被囚禁的巨猿来阻止它面前的巨型机器人

Seven strangers try to survive in the aftermath of a devastating outbreak. They must band together to escape from an isolated Los Angeles that has been hit by a virus that dramatically alters infected humans.