The evil Dr. Krupp, once again trying to get possession of the Aztec princess Xochitl's jewels, hypnotizes her current reincarnation, Flor, to get her to reveal the jewels' location - Xochitl's tomb. Confusion reigns as Krupp and his thugs are opposed by Flor's lover, Dr. Almada, his assistant, and wrestling superhero, El Angel. Krupp finally meets his match, however, when he comes up against Popoca, the warrior mummy who guards Xochitl's tomb.

A scientist discovers through hypnosis a mummy who watches over the jewels of an Aztec god for all eternity.

In this sci-fi horror film, a scientist creates a robot to protect an ancient Aztec mummy from being revived by an evil scientist. The robot must battle the mummy to save the world from destruction.