Based on real events that occurred in 2007 dubbed the “Heuksapa Incident”, the story follows a turf war that grows between a local gang that runs Garibong-dong in Guro District, Seoul and the Heuksapa gang from Yanbian, China;the police are called in to attempt to bring peace to the neighborhood. Jang Chen (Yoon Kye-Sang) came from China and now works as a loan shark in a seedy Chinatown area of Seoul. He’s backed up by his bloodthirsty henchmen Wei Sung-Rak (Jin Seon-Kyu) and Yang-Tae (Kim Sung-Kyu). Jang Chen is beyond brutal in his methods to collect money. Meanwhile, Ma Suk-Do (Ma Dong-Seok) is a detective in the Chinatown area of Seoul. He tries to keep the peace, while two Chinese-Korean gangs battle over turf in the neighborhood. Jang Chen makes his move to take over.