After a wealthy widow named Carrie Cash who is in Vitamin Flintheart's acting school gets suspicious and calls the police, the criminal B.B. Eyes arranges a scenario wherein Vitamin thinks he has killed her.
Two of B.B. Eyes henchmen (Twister and Knuckles) are told to get a murder confession out of Vitamin Flintheart while Tracy is suspicious of B.B. Eyes story that Flintheart beat him up trying to escape.
Tracy's friend B.O. Plenty sets out to buy a birthday gift for his wife Gravel Gertie while Dick Tracy works to solve a series of art museum robberies.
Tracy hides in an Egyptian mummy case in order to trap museum thieves, but faces death when the mummy case in which he's hiding is about to be thrown into an incinerator.