2004, Seoul, Korea. Coming from Harbin, China, Jang Chen is a new breed of gangster who single handedly takes over a mob and becomes the most feared gangster in the city. He and his merciless gang are willing to do anything it takes for money. Ruthless detective Ma Seok-do wields his powerful fists to maintain peace in his city. When Ma sees Jang plunge his district into chaos, Ma and his ragtag group of detectives form a plan to get rid of Jang and his men for good.