Northwest Mounted Trooper O'Neill (Buck Jones) is sent to bring in the killer of Jacob Dell. He goes to Skatehewan country posing as a trapper, and meets and falls in love with Marie (Beatrice Burnham). O'Neill has reason to believe that either her brother Paul (Jack Rollins) or Pierre (Francis McDonald, a suitor of Marie's sister Celeste, who died because Dell refused to marry her, killed Dell for revenge.