The Merciless(2017)

movie - first aired/released 2017-05-17 - audience 7.2

Directed by Byun Sung-hyun

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 prison. When they try to take over the organization after their release, their ulterior motives start to emerge.