An Ancient Mayan curse is awakened in the ancient temples in Mexico, and people are killed in strange and gory ways by an invisible force.

Professor Ayres discovers a secret in an ancient stone and when he opens a crypt, he revives zombies that kill him. He had invited three couples to visit him in…

The motel has a special room designed for sexual activities. It also has a habit of photographing sex act engines and extorting the parties concerned. One day a mysterious killer…