Jim West foreman of John Calhouns ranch falls in love with Helen the bosss daughter after rescuing her from a runaway horse Her brother Ted falls into the companionship of Bill Jackson a notorious gambler and saloon keeper who persuades Ted to sign I O Us while under the influence of alcohol Jim in company with Red Irwin a tough deputy sheriff confronts the gambler and forces a confession Jackson plans a raid on the Calhoun cattle forcing Ted to be his ally Dolores a dancehall girl overhears the plot and tells Jim causing Helen to misunderstand his motives