In a port city where violence abounds, a drug boss is viciously stabbed to death by the drug lord Chang Sungmin (Sung-Ki). Detective Woo (Joong-Hoon) is the cunning police detective who pursues the elusive Sungmin in a maze-like chase. Along the way, Woo and his men hunt down and apprehend the underworld mobsters and beautiful Juyon (Ji-Woo), Sungmin's lover. But Sungmin remains at large, a master of disguise and escape, until the final showdown with supreme detective Woo.