Those involved in the making of an amateur porn video end up getting slashed to death with a cane sword. It's up to the brave policewoman Eugenia aka The Scorpion (Maribel Guardia) to stop him.

• Maribel Guardia
• Jorge Luke
• Carlos Ancira
• Narciso Busquets
• Juan Peláez
• Bárbara Gil
• Gina Morett
• María Luisa Alcalá