Directed by Dario Argento, this 1980 horror film delves into the mysterious and supernatural world of the Three Mothers, a trio of ancient witches. The story follows a young woman in New York who discovers a book that reveals the existence of these malevolent entities, leading to a series of terrifying events. As her brother travels from Rome to investigate her disappearance, he becomes entangled in a web of dark secrets and eerie occurrences. The film is noted for its atmospheric visuals and haunting score by Keith Emerson. For those interested, it can be viewed for free on 123Movies / Movies123.