Young prostitutes are taken to a penal school run by a group of nuns so that they can recover. However, the current mother superior is actually a mad assassin who killed the real one and took her place, changing the entire treatment and discipline regime of the boarding school.

• Meiry Vieira
• Sérgio Hingst
• Zilda Mayo
• Zelia Martins
• Arlete Moreira
• Genésio de Carvalho
• Edgard Franco
• Sueli Aoki