Story of romance between a young boxer in fairground boxing booth and a chorus girl, and how 'Racer', a 'Wall of Death' rider in the same fairground, involves them in a robbery.
A man hides the fact that he lost his job from his wife by apparently going off to work each day as normal but runs into trouble when he is tailed by a reporter.
A husband-and-wife detective team look into the murder of one of her friends, whose father--a prominent scientist--has been kidnapped. They find themselves up against a sinister crime organization headed by a mysterious figure known only as "Z".