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.

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Main Cast: John Richardson, Dagmar Lassander, Ninetto Davoli, Magda Konopka, Giacomo Rossi Stuart, Daniela Giordano, Ursula Davis, Tano Cimarosa, Dada Gallotti, Gianni Williams

Director: Tano Cimarosa

Writers: Adriano Bolzoni, Luigi Latini de Marchi

Editor: Romeo Ciatti

Cinematographer: Marcello Masciocchi

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