- HD 1080
- Runtime: 92m.
- Status: Released
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- Languages: it
- Country: France, Italy
- Director: Riccardo Freda
- Stars: Stefano Patrizi, Martine Brochard, Henri Garcin, Laura Gemser, John Richardson
- keywords: insanity, murder, memory loss, whodunit, gothic horror, dream sequence, black mass, giallo
- Production_studio: Société Nouvelle Cinévog, Dionysio Cinematografica
- Slogan: Welcome to your new home. Welcome to hell.
- The Murder Obsession is featured in the top rankings of 1981
- #30 in Top Mystery Movies of 1981
- #74 in Top Horror Movies of 1981
Michael is a successful actor, but he has a scandal in his past: at a tender age he knifed his father to death. He and his girlfriend Deborah go to his mother's for the weekend, and are joined by the director and others from a recent film project, who are given a rather cool reception by the superstitious housekeeper Oliver. Soon rude things begin happening to some of the guests, and Michael fears a repeat of his nightmare past is in progress.