個女・美羽結婚咗，住喺Apartment，但係將屋改做二世帯住宅，再一齊住。淨係有我個重要嘅女喺身邊，就係孝順父母啦。女婿嘅信二君，都好鍾意佢，誠實嘅老婆惠都好鍾意佢。但係點估到會發生咁屈辱嘅事…。惠似乎係偷睇個女夫婦嘅SEX，然後就慾火焚身。信二君都知佢嘅秘密。然後，惠開始以唔自然嘅方式去個女屋企。講啲明知係假嘅嘢…。終於覺得有啲唔對路，跟住老婆去咗…
