Kitty, a photographer living in Rome, witnesses the murder of a young woman at the hands of a razor-wielding black-gloved killer. Kitty and her fiancé Alberto go to the police, only to learn that two other witnesses to the crime have been slashed to death.

Robert Hoffmann
as Alberto Morosini

Nieves Navarro
as Kitty

George Martin
as Inspector Merughi

Anuska Borova
as Lidia Arrighi & Silvia Arrighi

Simón Andreu
as Marco

Anna Liberati
as Secretary at dance academy

Rosita Torosh
as Nina Ferretti

Cristina Tamborra
as Magda Hopkins

Nerina Montagnani
as Marta

Orlando Baralla
as Generale