While in their early twenties, a medical school student, Oh Chang-min, and a dietitian, Oh Jin-hee, fall in love and marry despite his family's strong opposition. Chang-min comes from a family of wealthy, successful doctors; they think Jin-hee isn't good enough for him, and after he marries her, they cut him off without a cent. In order to earn money right away, Chang-min gives up his dream of becoming a doctor, and instead becomes a pharmaceutical salesman. He is miserable at his job, while Jin-hee's inferiority complex deepens as her husband's family continues to look down on her. They begin to fight constantly and eventually get a divorce. Six years later, Chang-min has gone back to med school to pursue his dream, while Jin-hee has also put herself through med school. They end up as interns at the same hospital, where they'll have to work in the emergency room together for a whole year.

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.

Emergency Man and Woman (Hangul: 응급남녀; RR: Eunggeubnamnyeo) is a 2014 South Korean television series starring Song Ji-hyo, Choi Jin-hyuk, Lee Pil-mo, Choi Yeo-jin and Clara. It airs on cable channel tvN on Fridays and Saturdays at 20:40 for 20 episodes beginning January 24, 2014. The romantic comedy/medical drama is about a divorced couple whose tumultuous feelings for each other are rekindled when they become reunited years later as interns at the same hospital.