Kim Young-joo is a genius with an IQ of 200 and the youngest editor of a fashion magazine. Constantly embarrassed and ashamed of her mother's developmental disability and suffocated by her affection, Young-joo leaves home and runs away to get married. But after she gives birth to her own daughter and becomes a mother herself, Young-joo begins to see her life and family differently.
Kim Hyun-joo , Ahn Seo-hyun , Ha Hee-ra , Kim Tae-woo , Shin Hyun-joon , Yoo In-young , Kim Jeong-hoon , Kim Ha-kyoon , Park Hyung-sik , Lee Se-na