Jin-hee (Song Ji-hyo) had a good life as a dietitian when she met medical school student Chang-min (Choi Jin-hyuk). Chang-min comes from a wealthy family full of doctors who where against their marriage but the two decided to get married anyway. He gave up his medical internship to work as a pharmaceutical salesman. Their marriage isn’t a happy one and they decided to get a divorce since his family kept looking down on Jin-hee and even Chang-min started to change. After their divorce, Both of them graduated from medical school and works as an intern. One day, they meet in the emergency room for a hospital where they both have their medical internship.