A San Francisco couple travels to France in search of Pablo Picasso.

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.

The Black Rebels Motorcycle Club ride into the small California town of Wrightsville, eager to raise hell. Brooding gang leader Johnny Strabler takes a liking to Kathie, the daughter of the local lawman, as another club rolls into town.

After the death of his mother, the evil mutant wizard Blackwolf discovers some long-lost military technologies. Full of ego and ambition, Blackwolf claims his mother's throne, assembles an army and sets out to brainwash and conquer Earth. Meanwhile, Blackwolf's gentle twin brother, the bearded and sage Avatar, calls upon his own magical abilities to foil Blackwolf's plans for world domination -- even if it means destroying his own flesh and blood.