Clue

In a large, remote Victorian mansion, several colorful characters gather for dinner at the mysterious invitation of an unknown host. All of them have secrets to hide, and for years they have been brutally blackmailed for them. When the house goes dark due to a momentary power outage, the blackmailer is found murdered in the drawing room. Now they must figure out which of them is the killer, a very difficult task given that each had compelling motives to commit the crime.