Clue (1985)

Based on the popular board game, this comedy begins at a dinner party hosted by Mr. Boddy, where he admits to blackmailing his visitors. These guests, who have been given aliases, are Mrs. Peacock, Miss Scarlet, Mr. Green, Professor Plum, Mrs. White and Col. Mustard. When Boddy turns up murdered, all are suspects, and together they try to figure out who is the killer.