A group of stable hands is given a race horse when its owner retires from the business. They raise money to run the horse in the Hollywood Derby at Santa Anita race track. Many Hollywood personalities attend the event.

Charles Ruggles
as Himself

Mickey Rooney
as Himself

Stuart Erwin
as Himself

June Collyer
as Herself

Charles Butterworth
as Himself

Al Jolson
as Himself

Ruby Keeler
as Herself

Edgar Bergen
as Himself

Dorothy Lamour
as Herself

Bing Crosby
as Himself