Two friends in the past were victims of serious school bulling. One could not resist his trauma, and becomes a serial killer, walking in the path of revenge. Another one tries his best to overcome the trauma and becomes a … Kim Dong-wook, Kim Sung-kyu, Chae Jung-an, Choi Hyun-jin, Han Soo-yeon, Lee Ji-ha, Jung Eui-jae Added on Amazon Prime 2022-07-12. Youtube Trailer