In the Heat of the Night is a 1967 American mystery drama film directed by Norman Jewison. It is based on John Ball's 1965 novel of the same name and tells the story of Virgil Tibbs, a black police detective from Philadelphia, who becomes involved in a murder investigation in a small town in Mississippi. It stars Sidney Poitier. The film was followed by two sequels also starring Poitier, They Call Me Mister Tibbs! (1970) and The Organization (1971). It was also the basis of a 1988 television series adaptation of the same name.