Bluebeard the killer is at large, and in Porky Pig's home, a crafty mouse disguises himself as Bluebeard to scare Porky into providing him with a generous serving of food. Just as Porky realizes the mouse is too tiny to be Bluebeard, the real Bluebeard appears and ties Porky onto a rocket, intending to blast the pig into orbit! But when Bluebeard is distracted by Porky's food and decides to help himself to it, he his challenged by the mouse, who leads him on a chase.