Special agent Al Langdon pursues elusive gem smuggler Michael Revere. Going undercover, Langdon joins Revere's gang, and in this capacity is obliged to rescue their beautiful hostage, Mary Lacy.

Jim West, foreman of John Calhoun's ranch, falls in love with Helen, the boss's 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. U.'s 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.

After he loses his money and horse in a poker game, Yak learns he was cheated. But then he learns that the men that cheated him are wanted and have a price on their heads. This gives him a chance to get his money back and more, so he sets out after them.