Samuel Curtis, an interplanetary trader, is approached by an acqaintance of his, the Blueberry Pirate, with a mission. He is to provide the women of Venus with a new king to mate with. In exchange for this new stud, they will relinquish their currently deceased king, for whose body his family is offering a reward. Curtis sets off in search for the perfect replacement but is unaware of the fact that his old nemesis, Professor Hess, is hot on his trail.