Cowboy Ace Cooper, to avoid arrest, becomes a fireman, falls in love with the chief's daughter, Sally Drennan, and wins her in spite of the efforts of a crooked politician to separate them.

Hoot Gibson
as Ace Cooper

Mildred June
as Sally Drennan

Frank Beal
as Capt. 'Smoky Joe' Drennan

Edwards Davis
as 'Big Tom' O'Rourke

Philo McCullough
as Gus Henshaw