A young heiress is kidnapped by two aspiring thieves who are then captured by a mad scientist. It's up to the police, Santo, and Blue Demon to rescue them.
Released: May 17, 1973
Runtime: 83 minutes
Stars: El Santo, Blue Demon, Víctor Junco, César del Campo, Elsa Cárdenas, Antonio de Hud
Crew: María Antonia del Río (Makeup Artist), Fernando Osés (Executive Producer), César del Campo (Producer), Felipe Islas (Editor), María Antonia del Río (Hairstylist), Antonio Muñoz Ravelo (Special Effects)