The Outlaws follows a turf war that grows between a local gang that runs Garibong-dong in Guro District, Seoul and the Heuksapa gang from Yanbian, The police are called in to attempt to bring peace to the neighborhood. Jang Chen is a bloodthirsty leader of the Chinese mainland gang Black Dragon, who works as a loan shark in a seedy Chinatown area of Seoul. He’s backed up by his henchmen Wei Sung-Rak and Yang-Tae. Jang Chen is beyond brutal in his methods to collect money. Meanwhile, Ma Suk-Do is a detective in the Chinatown area of Seoul. He, along with his Captain Jeon Il-man tries to keep the peace, while two Chinese-Korean gangs dubbed Venom Gang headed by and Ahn Sung-Tae and Cobra Gang headed by Jang I-Soo as they battle over the turf in the neighborhood.
Jang Chen, along with Sung-Rak and Yang-Tie makes their move to take over Chinatown and destroy the Venom Gang and kill Sung-Tae where they take over I-Soo’s casino. Enraged, I-Soo attacks the casino. Sung-Rak and Yung-Tae fight with I-Soo and his henchmen, but are interrupted by Ma, who arrest Sung-Rak while Yang-Tae escapes and informs to Jang-Chen. Ma and Jeon learn about Jang Chen’s crimes where they decide to arrest him. The next day, Jang Chen, along with Yang-Tae attacks I-soo and his henchmen where he, along with Yang-Tee kill them at I-Soo’s mother’s birthday bash. Meanwhile, Jang Chen’s location is informed by the hotelior to CEO Hwang (When Jang Chen and his henchmen had killed their men in the hotel), who along with his henchmen arrive and tries to kill Jang Chen, but Jang Chen manages to escape and the hotelior is later killed by Jang Chen and learns Hwang’s involvement.
Ma seeks the help of Chinatown colony members for help to catch the Chinese moneylenders. They accept and start taking photos of the moneylenders and the people. Ma and his fellow police officers arrest all of them, including Yang-Tae. One of the police officer named Kang Hong-seok gets caught by Jang Chen and is about to run a car over him but Ma saves him by crashing Jang Chen’s car. Jang Chen escapes and Ma chases after him but loses sight of him after a while. Jang Chen reaches the airport to fly away to China where he leaves for the restroom. Ma arrives at the restroom and a combat ensues where the two are powerful against each other. Ma manages to knock down Jang Chen and leaves him handcuffed in the restroom. The gang leaders are arrested and Jeon is congratulated by the commissioner.