Doctor prisionero
닥터 프리즈너 (original)
An ace doctor in a university hospital is wrongfully accused of a medical malpractice incident and gets ousted from the hospital. He then applies to work at a prison, where he plans to make personal connections with all the big shots in prison with the ultimate goal of getting revenge against the hospital that kicked him out.
Starring Namkoong Min, Kwon Na-ra, Kim Byung-chul, Choi Won-young, Park Eun-seok, Lee Da-in, Lee Min-young, Lee Joon-hyuk, Lee Jun-hyeok, Jang Hyun-sung
Watch "Doctor prisionero" on Netflix released in 2019. It's a crime and drama show, and has a rating of 7.6 out of 10 from Imdb which is usually fine for this kind of show.