After having been framed by gamblers, Muggs is barred from riding in horse races. Snce he can no longer race, he takes up a collection so Ma Brown, who owns the horses won't have her stable foreclosed on. However, one of the gamblers involved in the frame falls for Ma Brwn's daughter, and decides to come clean and confess to the police about the frame. The other gamblers hear about it and set out to shut him up and discredit Muggs and Ma Brown once and for all.
Leo Gorcey
as Muggs McGinnis
Huntz Hall
as Glimpy
William Benedict
as Skinny
Johnny Duncan
as Squeegie Robinson
Buddy Gorman
as Bud Gorman
Mende Koenig
as Sam
Minerva Urecal
as Nora Brown
Nancy Brinckman
as Elsie Brown
Bernard Thomas
as Gaby O'Neill
George Meeker
as Dollar Davis
John Henry Allen
as Scruno
Pierre Watkin
as Dr. Fletcher