A woman dressed in black is murdering young women. The police question lawyer Anselmi for whom one of the girls worked as a secretary, and it turns out that all the victims were friends of lawyer's wife Leonora.

• I.R.I. Cinematografica
• John Richardson
• Dagmar Lassander
• Ninetto Davoli
• Magda Konopka
• Giacomo Rossi Stuart
• Daniela Giordano
• Ursula Davis
• Tano Cimarosa