Jin-Hee (Song Ji-Hyo) led a satisfying life as a dietitian. She then met medical school student Chang-Min (Choi Jin-Hyuk). Despite his wealthy family's strong opposition, Jin-Hee and Chang-Min decided to get married. Chang-Min's family is full of doctors. Chang-Min though gave up his medical internship and began working as a pharmaceutical salesman. Their marriage life was not happy. Chang-Min's family looked down on Jin-Hee and even Chang-Min seemed to change. Chang-Min began to think terribly of Jin-Hee and they finally divorced. After their divorce, Jin-Hee became a medical student and now works as an intern. Chang-Min also graduated from medical school and begins to work as an intern. One day, they meet in the emergency room for a hospital where they will both work together.