Park Eun-seok

An ace doctor in a university hospital's emergency care center, whose medical license gets suspended as a result of a medical malpractice incident that arises when the hospital board director causes a ruckus. He then gets his certificate as a medical internist and applies to work at a prison with the ultimate goal of getting revenge against the hospital that ousted him. To do so, he'll get rid of the existing prison chief doctor and claim the spot for himself. (imdb)

Do Tae Rang must keep things nice and clean all the time. He won't allow any stains. He happens to work at a cleaning service for crime scenes. The service is run by Mo An Na and Do Tae Rang is the company's only employee. While they clean up a criminal site, Mo An Na and Do Tae Rang uncover a truth.

About a forensic doctor, Baek Beom, who is skillful at his work but has an eccentric personality, and prosecutor, Eun Sol, who is a rookie prosecutor with a warm heart. She has a bright personality and comes from a wealthy family background. They come to work together to solve cases. (wikipedia)