On their arrival in Cimarron City, the Houston family discover that they must wait for government approval before they can stake their land claim and settle in the Strip. Enraged and refusing to wait head of the family Rowan Houston is arrested and jailed by Marshal Crown. When the family up and leave Cimarron, Crown tracks them down only to find the family massacred. Searching for answers Crown discovers a man, Joshua Broom, who is believed to be the cause of the massacre and who is also considered by some to be a demon or supernatural creature. Battling folk law and superstition, Marshal Crown must hunt down Broom regardless of whether he is man or beast.