Harlequin Affair (1985)

The Harlequin Affair is the story of a young man who brings home a new wife to meet his family. But the young man, his family, and his friends are all white, and his wife is black. This initially causes a stir among family and friends, but as the orgies and mix-and-match intercourse sessions commence, the family realizes that as long as she will engage in thoughtless sex with anyone, that she’ll fit right in with the rest of the family.