As a single mother, Rosie (Michelle Pfeiffer Michelle Pfeiffer) has always adhered to her duty as a mother. Although her long single life is lonely, she can enjoy herself with her lovely daughter Eli (Sylvia Ronan Saoirse Ronan). However, seeing Ellie getting older and more rebellious, Rosie felt powerless for the first time and longed for someone to open her arms for the first time. At this juncture, a young boy named Adam (Paul Luther Paul Rudd) appears in front of Rosie. Adam's sincerity and humor continue to attract Rosie, and when Rosie found out, she could not help but fall in love. What kind of choice should Rosie make in the face of this boy who is ten years younger than himself? What should I tell Ellie?