So A Rin

Cha Jung Sook is married to Seo In Ho, who works as a chief surgeon at a university hospital. He has a strict, sensitive, and thoroughgoing personality. Cha Jung Sook has been a full-time housewife for 20 years, giving up her career as a doctor during her medical resident years. After all those years, she decides to restart her medical resident course. (Source: AsianWiki)