He is the star of "The Age of Wild Men" that brought Kim Doo-han into Jong-ro. No one is able to hold onto their lives before Dual Wielding Swordsman's fists, which are deadlier than a knife. The legend of Joseon's greatest Dual Wielding Swordsman begins.
Lee Gang-sik sits in jail with a life sentence because of murder. His good behavior the last 15 years earns him the opportunity to be released for one day & visit his family. But how will his son, whom he let down for 15 years, react?