Toyota Sachiko, who lost her husband to a heart attack three months ago and became a widow. While caring for her mother-in-law, she also finds herself 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, Sachiko finds herself caught between two men. What will she think of the turmoil in her life after turning forty?
