Jang Joon-nyoung

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)