Husband Kenichi and wife Yuko are confirming their love for each other in bed. Kenichi's father, Kanezo, suddenly appears in the middle of their lovemaking. Yuko is taking care of her father-in-law, who has been fired from his job and is drunk. As he is an important person to her, as her husband's father, she wants him to find meaning in life and live a long life...Kanezo takes advantage of Yuko's kindness and gradually reveals his true nature. The perverted father's sweaty hands crawl over the soft skin of his beautiful wife. Lewd squelching sounds can be heard from Yuko's private parts...