Satan, a wrestler who sold his soul to the Lord of Darkness for fame but was thwarted by Santo's ancestor, who is now rising after a hundred years with his army of mummies to take revenge.
Blue Demon and pals square off against the Black Hand's army of super powered midgets. Five luchadores (Blue Demon, Mil Mascaras, El Medico Asesino, La Sombra Vengadora, Tinieblas plus Black Shadow) face off against a mad scientist and his army of powerful wrestling midgets.
The Count Cagliostro and scientist Raymond discovered a component that is only found in the mines of Guanajuato, this serves to create a formula to help them in their plans to conquer the world.