An old man lives with his son and his wife. The son plans to sell the house to make money, while the wife is secretly having an affair without her husband's knowledge. One day, the old man becomes angry at his wife's hypocrisy and confronts her about his suspicions of an affair. She apologizes, fearing that her husband will find out. In the end, the old man gets carried away and spanks her on the buttocks. However, this brings out the masochistic side of her.