Eiichi, the father-in-law, who is living a comfortable and comfortable life overseas, suddenly returns to Japan and has to stay with his son and his wife for a while. Yuna, a beautiful wife who has always had a difficult relationship with women, doesn't think well of Eiichi, who is pushy and lacks consideration. ``If her husband goes to work, I'll be left alone with her father-in-law.'' From the next day, she began to visit Yuna without being asked.