After receiving word about a mysterious carcass/skeleton unearthed in the Arizona desert, a father and his daughter decide to remove it from the burial grounds for further study. Once they do so, they, as well as the town, are besieged by a colony of gargoyles living in some nearby caverns.
A Marine Corps drill instructor who is disgusted by the fact that the Corps now accepts draftees finds himself pitted against a hippie who has been drafted but refuses to accept the military's way of doing things.