 Since the death of his father Palos, Boraeus is king of Zabros. Hercules hears his bride Ramina is kidnapped for ransom by the outlaw Tarlus -who once abandoned Iolaus on a battlefield- and his gang in the hills. Hercules and Iolaus easily free her, but quickly find her missing, apparently caught by primords (a species of ape-men), and yet find that Tarlus goes to great trouble to send them on a wrong trail, so they keep looking for his secret camp, and once there find out that several things are not what they seem...