Ever since he cuckolded his masochistic wife and eloped with her, a man began plotting unreasonable ``revenge'' on the happy married woman...an SM trainer bent on revenge, commonly known as ``Yami Otoko''. - He turns his house into a rental property, lets young couples live there at a low price, wakes up the wife's M and sleeps with him... A professional training man who has already awakened 16 married women to M. - His new prey?