Deep Red

Deep Red original title Profondo Rosso also known as The Hatchet Murders is a 1975 Italian giallo film, directed by Dario Argento and cowritten by Argento and Bernardino Zapponi. It was released onMarch 1975. It was produced by Claudio and Salvatore Argento, and the films score was composed and performed by Goblin. It stars Macha Meril as a medium and David Hemmings as a man who investigates a series of murders performed by a mysterious figure wearing black leather gloves. The film was a commercial success internationally and met with critical acclaim.

The film follows jazz pianist and music teacher Marcus Daly Hemmings as he investigates the violent murder of psychic medium Helga Ulmann Macha Meril. Other major characters are introduced early, including Dalys alcoholic friend Carlo Gabriele Lavia, Carlos scatterbrained mother Martha Clara Calamai, Ulmanns associate Dr. Giordani Glauco Mauri, and reporter Gianna Brezzi Daria Nicolodi.Before the murder, Ulmann holds a lecture in a theater where she suddenly senses that there is someone with a twisted and violent mind in the audience that she cannot clearly identify. Later that night, while Ulmann is in her apartment taking notes about the incident in the theater, someone kicks the door in and attacks her with a meat cleaver. The killer also destroys her notes. Marcus, who lives in the same apartment building, is walking home when he sees the woman being attacked through the window. He rushes into her apartment to find the woman bleeding to death. ........

Source: Wikipedia