| 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. |
| Name | Character | Episodes |
|---|---|---|
| Jang Hyun-sung | Jung Ui-Sik | 32 |
| Jeong In-kyeom | Sun Min-Joong | 32 |
| Choi Won-young | Lee Jae-Joon | 32 |