Railway driver Takishima Toru works everyday without thinking about anything else. He just realizes he is 59 years-old with only month to go for mandatory retirement. His wife Sawako has always supported him as a faithful housewife. She is 55-years-old. The couple prepare to start a new life in their retirement years. One day, Sawako declares that she will work again as a nurse. She quit her job prior to their marriage. Toru doesn't understand his wife's desire to go back to work. They argue over the matter and Sawako leaves their home. A crack in their relationship gets wider. Finally, Sawako asks for a divorce .