Takahashi, who moved to the city alone, leaving his wife and children behind, spent his days gambling to relieve the stress and loneliness caused by the sudden change in his environment. When he finally fell behind on his rent, his landlord's wife, Yuko, came to negotiate. Worried about Takahashi living alone, Yuko surprisingly offered to waive the rent in exchange for a physical relationship. Ignored by her husband, her sexual frustration reached its peak as she engaged in repeated, intense sex with her ripe body. He forgot his wife and children and became engrossed in an adulterous relationship from which he could not escape.