A sadistic psycho, disguised as a military man and wearing a helmet, attacks and murders (mostly) women in a small town. It's up to the police captain and his girlfriend (who must act as a decoy) to stop him.

• Raymundo Capetillo
• Laura Flores
• Eric del Castillo
• Roberto Cañedo
• Carmelita González
• Lorenzo de Monteclaro
• Martín Martínez