Cliff Secord is a cocky stunt pilot in love with a beautiful actress, Jenny Blake. When he discovers a jet pack hidden in a biplane, Cliff straps on the rocket, dons a flashy helmet and becomes the high-flying hero known as The Rocketeer. But when Nazis want to use the rocket as a weapon, Cliff must use his alter ego to both protect Jenny from an evil actor and save the day in this period adventure based on the comic books by Dave Stevens.