Logan, 16, is a troubled teenager. Only his sci-fi dreams of a better life on Mars can rescue him from his gloomy everyday life, filled with conflict both at home and at school, where he's labeled a bully. One strange night he receives a visit from a mysterious man who swears to come from the future and to be Logan's future-self, 40 years older. The man asks him to accomplish a shockingly important mission: to save humanity.