Greta del Pino is the sadistic warden of a female concentration camp thinly disguised as an asylum, somewhere in South America. This terrible place is the last destination of the undesirable elements in an obviously fascist state. Protected by the government, Greta is unassailable and has absolute power over the lives of her prisoners. A girl almost manages to escape, but at the last moment her pursuers catch her on the porch of the humanitarian Dr. Arcos, who is disturbed…