Doctor Prisoner - 닥터프리즈너

Na Yi-Je (Namgung Min) is a skilled surgeon at a hospital. He was forced to quit after being accused of medical malpractice. To revenge, he starts working in a prison where business tycoons, celebrities caught for doing drugs, sports stars guilty of gambling, and to get connections of those rich and powerful people...

Official page: http://program.kbs.co.kr/2tv/drama/drprisoner/pc/