Park, a bar owner, is forced into paying extortion money to the local gangsters. When Yong-cheol, a customer, sees this, he is outraged and tries to beat up the gangsters, but he is overwhelmed by their numbers. The gangsters cut off Yong-cheol's leg to teach him a lesson. Park and a young boy assist Yong-cheol in forging a new leg out of iron to use as a weapon to defeat the gangsters.
After exacting revenge on the people who killed his father for his involvement with the 1940's independence movement, Park Dal visits his father's friend, Reverand Hwang, and becomes convinced that he should carry on in his father's place.