A mad scientist terrorizes a city by kidnapping young women with his ape-man Gomar and then using them as subjects in sadistic brain transplant experiments. A female wrestler whose sister was one of the victims swears vengeance against the Mad Doctor.

• Cinematográfica Calderón S.A.
• Lorena Velázquez
• Armando Silvestre
• Elizabeth Campbell
• Roberto Cañedo
• Sonia Infante
• Jesús Salinas
• Jesús "Murciélago" Velázquez
• Gerardo Zepeda