Overview
The Case of the Bloody Iris (Italian: Perché quelle strane gocce di sangue sul corpo di Jennifer?, lit. "Why those strange drops of blood on Jennifer's body?", originally released in the UK as Erotic Blue) is a 1972 Italian giallo film directed by Giuliano Carnimeo, identified in the credits as Anthony Ascott. The film was referred to as "never boring" and "a competent thriller which offers enough violence and sex to satisfy the most ardent giallo fan".
In 2015, a novelization of the film by Michael R. Hudson was published in the United States by Raven Head Press as part of a series of adaptations of several of Gastaldi's scripts, including The Horrible Dr. Hichcock and My Name is Nobody.
Plot
A prostitute, Luna, is buzzed into the high-rise apartment building of a potential client. She is stabbed to death in the elevator by a masked killer who vanishes before it reaches the top floor, where the tenants (Professor Issacs, widow Mrs. Moss, and casino stripper Mizar Harrington) discover the body. The police are called as Mizar leaves for her shift at the casino.
Meanwhile, the building’s architect Andrea Antinori hires a photographer, Arthur, to find models for advertisements. He becomes enthralled with Jennifer Langsbury, who is posing with her model friend Marilyn Ricci. On her way out of the studio, Jennifer is accosted by Adam, the leader of a sex cult named “Iris” she was a part of before escaping into modeling. He sternly warns her if she doesn’t come back to him, there will be consequences.
From Wikipedia (CC BY-SA 4.0).