
Plot
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.
Trailer
Cast

Paul Naschy
Inspector Scaporella

María Kosty
Ingrid

Erika Blanc
Silvana Scaporella

Ángel Aranda
Pietro Volpini

Ricardo Merino
Edmundo

Susana Mayo
Claudia Volpini

Eduardo Calvo
Professor Sandro Campitelli

Mariano Vidal Molina
Police Commissioner

José Canalejas
Ruggero

María Vidal
Lucia - Prostitute victim

Ingrid Rabel
Giulia - Secretary

Frances O'Flynn
Marie - scrubwoman

Antonio Mayans
Cop

Ramón Centenero

Beni Deus

César Varona

Anne Marie

Juan Madrigal

Juan Cazalilla

Javier de Rivera

Rafael Albaicín

Luis Alonso

Ernesto Vañes