Toyota Sachiko, who became a widow three months ago after her husband died of a heart attack. While taking care of her mother-in-law, she has become involved in a physical relationship with her husband's brother due to her growing loneliness. Takagi, a caregiver who visits Sachiko, harbors feelings of affection for her and expresses his feelings to her. Unexpectedly caught between two men, Sachiko. What will she think about the turmoil in her life after crossing the age of forty...