A formal dinner party starts out normally enough, but after the bourgeois group retire to the host’s music room, they inexplicably find themselves unable to leave.
Six hundred year old witch butts heads with a scholar over the possession of a rare ancient grimoire and then discovers that his daughter's fiance is the reincarnation of her first boyfriend.
A woman murders her lover. Her husband and his mistress are also having murder-shaped thoughts, and their three counterplots all get tangled together. Everybody loses.