Shin Hye (Uhm Jung-hwa), a TV shopping producer, falls in love with a man who is much younger than her. Her intuitive experience makes Shin Hye resist this relationship instinctively, but her instinct makes her unable to extricate herself from it. Standing at the crossroads of love, will Shin Hye take a brave step? Mi-yeon (Moon So-ri) has just sent her son abroad for further studies and returned to the world of two people with her husband. However, Mi-yeon, who has a straightforward and stubborn personality, often conflicts with her husband because of her tough attitude and methods, which makes her, who is kind-hearted, very distressed. The strong Huiying (Zhao Minxiu) raises her daughter alone, watching the little girl grow up and get married, with mixed feelings in her heart. She has a secret in her heart, that is, she hopes to go back to the past and encounter a romantic love again. Is it possible for her who has entered the age of forty to become a reality?