South Korea, 13 October 1990. Following President Roh Tae-woo's declaration of a crackdown on organized crime, Busan businessman Choi Ik-hyun (Choi Min-sik) is arrested for embezzling billions of won from hotel construction companies, and is also charged with intimidation, kidnapping and assault. Busan public prosecutor Jo Beom-seok (Kwak Do-won) is in charge of the investigation, and especially the murder of hotel owner Heo Sam-shik (Kwon Tae-won) by mobster Kim Pan-ho (Cho Jin-woong), with whom Ik-hyun allegedly was connected.