The Chief of Detectives gives Moe, Larry and Shemp 24 hours to solve the murder of Slug McGurk. They question a witness, an Italian organ grinder with a British accent, but he runs away when they mention a murder. A frustrated actor named Gilbraith Q. Tiddlewadder (better known as Chopper) tries to confess as a publicity stunt, but the real killer shows up, outraged at not getting credit, and starts shooting up the police station.
