| 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. |
| Name | Character | Episodes |
|---|---|---|
| Park Hyung-sik | Oh Soo-hyun | 20 |
| Kim Tae-woo | Park Jung-do | 20 |
| Shin Hyun-joon | Choi Go-man | 20 |
| Ahn Seo-hyun | Park Dat-byul | 20 |