The Four Aces perform a comedy sketch around a microphone about gangsters being chased by police.
Titles read: "Pathetone now has pleasure in presenting - The popular Radio and Variety Artists - The FOUR ACES".
London (probably Pathe Studio).
Various shots of comedy quartet The Four Aces standing around a microphone and doing a routine set in Chicago called 'Calling All Cars'. It is about gangsters being chased by the police, and the men do all the voices, car noises and sirens themselves.