Kannam, 1995. One of the members of the criminal gang ChonGi-chhol is unhappy that he is forbidden to traffic drugs, so he seizes power and kills the boss; in the process his best friend The-ho dies. Now Gi-chhol's business prospers: organized drug production, shipments to Japan are under way, which attracts the attention of the police. A police officer infiltrates the organization as The-ho's cousin, and at the same time tensions with Busan's leadership escalate.