The Merciless
- Action
- Crime
- Mystery
Jae-ho, who aims to become the number one in a crime organization, gets to build up trust with Hyun-su, an ambitious newbie in the prison. While they try to take over the organization after the prison release, their ulterior motives starts to emerge.
Sul Kyung-gu
Yim Si-wan
Kim Hie-won
Jeon Hye-jin
