The husband is an elite but cold man, and the father-in-law is a homely man. The wife's Kokoro is excited by her husband's father, and she begins to feel physical desire for him. The father, who can be heard listening to the young couple's nightly activities in the small house, is at the end of his tether, but he endures, knowing that he cannot lay a hand on his son's wife. The daughter-in-law finds this endearing, and finally, away from the son's eyes, the father-in-law and daughter-in-law are united in their desires.