The comic strip detective finds his life vastly complicated when Breathless Mahoney makes advances towards him while he is trying to battle Big Boy Caprice's united mob.

A gang of criminals, which includes a piano player and an imposing former convict known as 'Gruesome', has found out about a scientist's secret formula for a gas that temporarily paralyzes anyone who breathes it. When Gruesome accidentally inhales some of the gas and passes out, the police think he is dead and take him to the morgue, w...

While reading his favorite comic book, Daffy accidentally knocks himself unconscious and dreams he's Duck Twacy, famous detective, trying to solve the case of the missing piggy banks. Taking a streetcar (conducted by Porky Pig, in a non-speaking cameo role) to the gangsters' hideout, he meets up with such grotesque criminals as Pickle ...

A mad doctor named Zanoff uses a drug to bring himself back from the dead after his execution in prison. Dick Tracy sets out to capture Zanoff before he can put his criminal gang back together again.

Detective Tracy (Morgan Conway) rescues Tess Trueheart (Anne Jeffreys) and Junior from a killer called Splitface (Mike Mazurki).