You are watching The Gangster, the Cop, the Devil the movie produced in South Korea belongs with duration 110 Min in Category Crime,Action,Adventure,. broadcast at streamingjoy.com , by [ Acemaker Movieworks ] ,[ BA Entertainment ] After barely surviving a violent attack by an elusive serial killer, crime boss Jang Dong-su finds himself forming an unlikely partnership with local detective Jung Tae-seok to catch the sadistic killer simply known as K..