Returning to his hometown, Bill Duncan conceals his identity due to a longstanding feud with the Flynne family. He is soon found out and arrested for the murder of rancher Red Flynne. Flynne's estate is bequeathed jointly to his foreman Rolfe McPherson and his daughter Helen. Helen believes her father wished her to marry Rolfe, unaware that he plotted the murder. Clued in by the housekeeper of Rolfe's guilt, Bill escapes and pursues Rolfe who has kidnapped Helen and is headed for the Mexican bo...