The Merciless (2017)

Careful who you trust.

Cast

Sul Kyung-gu, Yim Si-wan, Kim Hie-won, Jeon Hye-jin, Lee Kyung-young

Overview

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.