A gang of crooks talk a dim-witted professional wrestler into playing Santa Claus at a local department store as a front for the commission of crimes.; Young Jim Hart, a failure in life because he believes in astrology, invents a submarine detector that Starman uses to capture enemy forces and the man who once convinced Hart to follow astrological signs.; A group of thugs break into the apartment of Rex Tyler and steal the Miraclo Ray machine. Coupled with a series of acquisitive instinct injections they've been receiving, it seems that the Hourman has no chance of defeating them.