The Claw (Jack Lambert), a criminal with a hook, has stolen some furs. However Dick Tracy (Ralph Byrd) knows that he is just a violent murderous thug so someone else must be the mastermind of the robbery. So begins a complicated case for the super detective assisted (in theory) by Pat Patton (Lyle Latell), Tess Trueheart (Kay Christopher) and over-the-top thespian Vitamin Flintheart (Ian Keith).
It is all very pulpy and trashy but that is the point. The Claw steals the show with his sinister super villain act. At times quite noirish.
