When Rose McDonald and Frank Mosby became engaged it appears that the deadly feud which has long existed between the families has come to an end. The betrothal is held at the McDonald cabin. All seem willing to forget past differences save McDonald, the bride's father and Joe, the groom's young brother. The day of the wedding arrives. Frank prevails upon the family to leave all weapons at home. He sends them ahead. Joe has informed Frank that he no longer regards him as a brother.