The story revolves around a middle-aged boxer at the twilight of his professional career. Crisis is inevitable at such a time. The protagonist involuntarily replays his victories and defeats in his mind, regretting what he failed to achieve. Seeing the state of his protégé, a cunning manager wants to help him seize his last chance to win a championship title. However, for the fight to actually happen, the main characters must fully immerse themselves in a mysterious criminal world.