Astronaut Mills convinces his wife that he must go on a space mission that would keep him away from home for two years, in order to earn money to treat their sick daughter. But his plan doesn’t go as he hoped and ends up crashing on an unknown planet. Mills quickly discovers that he is, in fact, stranded on the Earth of 65 million years ago – where dinosaurs were the dominant species. Now, with only one chance at salvation, Mills and the sole survivor, Koa, must make their way through an unknown land filled with dangerous prehistoric creatures in an epic battle for survival.