The story takes place during the Great American Industrial Depression in the 1930s. Just when the economic situation of the United States fell to the bottom and the people were in trouble, a folk hero was born-a man who fought for a second chance for his family received a large number of Popular support.
This "popular hero" is named James Bullock, also known as the "Iron Fist Man", and has become one of the most exciting legends in the history of American sports. The beginning of the story goes back to the early 1930s. The James family of professional boxers who gave up boxing due to some changes has long been destitute. Just like most Americans at the time, James was almost desperate due to the real blows and the frequent visits of bad luck. He was unable to pay the bills, and his family even had to rely on social assistance. Nevertheless, the only thing he cares about in his heart is this family, and his wifestill gives him great encouragement and confidence as always. Out of love for his family and out of his own dignity, James is determined to regain his old career and rely on boxing to win bonuses to feed his family.
