Ignoring an ancient prophecy, evil brother Gregor seeks to maintain his feudal power on his his Tyrolean estate by murdering and impersonating his benevolent younger twin.
Follows six friends who break down in the middle of nowhere on the way to a concert and encounter with the Desert fiends, a deranged family that lives in the desert killing anyone they come across.
Based on actual events of American serial killer Edmund Kemper, who murdered his grandparents at age 15 and, after being paroled for that crime, killed eight women in 1972 and 1973 including his own mother.