The Perfume of the Lady in Black (French: Le Parfum de la dame en noir) is a 1949 French mystery film directed by Louis Daquin and starring Hélène Perdrière, Serge Reggiani and Marcel Herrand.[1] It is an adaptation of the 1908 novel The Perfume of the Lady in Black by Gaston Leroux featuring the detective Joseph Rouletabille. It is a sequel to The Mystery of the Yellow Room, released the same year.