A wife, Yuki, who lives in a bank company housing where her husband, Seiji, works, and is living a happy life with two couples. When she heard that her husband's boss, the wife of Tabuchi, who lives next door, was in the hospital for a long time, she began to take care of laundry, cleaning, and meals. Tabuchi, who noticed such a kind and beautiful Yuki, rushed into the Natsume family without Seiji. He threatens Yuki with the suspicion that Seiji is embezzling money from the bank.
