Diabolique (1996) is a Mystery, Thriller, Horror film that follows the wife and mistress of a cruel school master collaborate in a carefully planned and executed scheme to murder him. The plan goes well until the body, which has been strategically dumped, disappears. The psychological strain starts to weigh on the two women when a retired police investigator begins looking into the man's disappearance on a whim. Currently, you can watch Diabolique on Amazon Prime Video, Amazon Prime Video with Ads, Amazon Video, Apple TV Store. Streaming availability may vary by country and platform over time. It has a user rating of 5.5 out of 10 from 311 votes. Fans of mystery movies may also want to explore similar titles below.