María Nicolasa Cruz, an illiterate young Mazahua woman, travels to Mexico City in search of a better life, only to be swept into a chain of misunderstandings and conspiracies that make her an unlikely suspect in thefts and murders.
In his first film El Santo was still referred to as ‘El Enmascarado’. Rendered compliant by a scientist and his gangsters via a serum and mysterious rays, he is forced for the opening act to be a henchman for the evil forces who want to take over the world. The film has great historic value, due also to its impressive exterior shots of pre-revolutionary Cuba 1959.