The Stooges are private detectives in the Old West trying to help a girl recover an IOU from a bad guy. Their attempts to steal the IOU from the villain's wallet and then from a safe meet with problems until Curly, who goes berserk whenever he sees a mouse, knocks out all the bad guys.

Moe Howard
as Moe

Larry Fine
as Larry

Curly Howard
as Curly

Dorothea Kent
as Nell Higginbottom

Fred Kohler
as Double Deal Decker

Slim Whitaker
as Cowboy (uncredited)

Bob Callahan
as Drunk (uncredited)

Fred Kelsey
as Detective Hyden Zeke (uncredited)

Bud McClure
as Sheriff (uncredited)

George Chesebro
as Henchman (uncredited)