Buck Jones says: "Riding a horse without spurs is like being in love without a sweetheart."

Oscar has been sent to the plains to make a man of himself, is soon visited by his sister Sybil Estabrook, who travels west along with her maid in tow. Oscar, who has been losing at cards to Victor Dufresne, is forced by him to rob a stagecoach in order to pay off his gambling debts.