Rudi Graf is an engineer who always dreamed of sending rockets to the moon. But instead, he finds himself working alongside Wernher von Braun, launching V2 rockets at London for the Nazis from a bleak seaside town in occupied Holland. As the SS increases its scrutiny on the project, Graf, an engineer more than a soldier, has to muster all of his willpower to toe the party line. And when rumors of a defector circulate through the German ranks, Graf becomes a prime suspect.