Producciones Jiménez Pons Hermanos

Also known as Santo vs. the She-Wolves

Blue Demon must stop an evil chinese gang and their reign of terror.

Men are turning up dead after receiving anonymous threats that include the date of their deaths. The latest person to receive one of these threats decides to call Santo the crime fighting wrestler for help. Santo must solve the mystery of the men's murders and confront a gang of Nazis operating in Mexico City.

Someone who wears a blue mask, is squat and has giant hands are killing people and stealing jewelry and money. The witnesses are afraid to talk, despite the detective understands that the clues point to his friend Blue Demon. This is actually an evil plan hatched by the Count and a fighter called ' The Cossack ', taking revenge on Blue. In both the real Blue Demon campaign starts with his secretary and a detective to unravel the mystery.