As soon as the authority begins to enforce a control, Kang Yu Jin, boss of the smuggling gang, disappears. 5 years later, the new boss of gang Kang Hee Cheol shows up. Thus, Chief Choi and his two fellow inspectors, Jang Dong Su and Pak Dong Keun, are deployed to carry out the investigation. Inspector Jang fails each time his investigation on Hee Cheol's smuggling because of secret informer so he finds out the informer. It is no less a personage than Mrs. Hwang whose late husband is Patriot Kang Jeong Oh who led Jang to the police. Jang finds that Mrs. Hwang's two sons, Hee Cheol and Yu Jin, bear revengeful thought in mind against society due to his father's death and joined in smuggling crime. Meanwhile, Ma Jang Cheol's gang provokes a fight to seize upon Hee Cheol's contraband. As Hee Cheol is killed during their fight against Ma, Yu Jin kills Ma's gang and reports himself to the police.