Three friends confront a horde of mummies, who have inexplicably awakened, and try to rescue their pal, not realizing they have fallen into a trap.

Located in central Mexico, Guanajuato ... Museo de las Momias (Mummy Museum), a macabre exhibition of the mysterious naturally mummified bodies discovered in one of the city's cemeteries.

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.