In this Mexican sci-fi fantasy, big beefy Martians invade the earth. Ostensibly, they have come to warn people about the dangers of nuclear testing and exploring space, but their real mission becomes manifest when they begin using their special powers and gadgets to exploit weak earthlings.
The Blue Demon faces a murderous satanic hypnotist.
Santo fights a group of phony spiritualists who are trying to scam his god-daughter out of her 6 million peso inheritance.
