A killer is cleaning up the streets of Milan by murdering those considered as deviant. An ornamental dragonfly, soaked in the blood of the victim, is left on each body.

• Profilmes
• Paul Naschy
• María Kosty
• Erika Blanc
• Ángel Aranda
• Ricardo Merino
• Susana Mayo
• Eduardo Calvo
• Mariano Vidal Molina