"Blood and Black Lace" is a 1964 Italian giallo film directed by Mario Bava. The story revolves around a series of murders at a fashion house, where a masked killer targets models to retrieve a diary containing dark secrets. The film is known for its stylish cinematography and innovative use of color, which became a hallmark of the giallo genre. The film features a mix of horror and mystery elements, showcasing the tension between beauty and violence. It stars Francesca Ungaro and Camillo Mastrocinque, and is notable for its influence on later slasher films, establishing tropes that would be widely adopted in the genre.