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.

• Namkoong Min
• Kwon Na-ra
• Kim Byung-chul
• Choi Won-young
• Park Eun-seok
• Lee Da-in
• Lee Min-young
• Lee Jun-hyeok