A group of women are kidnapped by guerrillas and brought to a jungle brothel where they are forced to work as prostitutes for the soldiers. Those who refuse to cooperate are decapitated by the cruel, sadistic wardress of the camp, who is privately interested in some of the women herself.

Margarita is found, naked and bloody in a luxurious house and is promptly taken to a mental institute. The doctors and nurses meant to take care of her aren't exactly who they seem and a mysterious figure, clad in black, circles the premise at night, offing nubile young women.