Passi di danza su una lama di rasoio 4K 1973

Beautiful and enchanting Kitty is walking with her relatives in Rome. While on the observation deck, she decides to look through a telescope. What she sees through it in one of the windows of the adjoining houses shocks her. A man in a black cloak, black hat, gloves and carrying a knife was killing the girl. What Kitty was able to discern about the killer is that he limps and has a cane. Kitty goes to the police, but the case turns out to be very confusing, the investigation is going hard. Soon witnesses begin to be murdered and Kitty realizes that she herself is in danger, she also realizes that the mysterious killer is someone she knows.