Magistrate Park Man-do massacres the family of Soldier Kim to stage a coup. However, Park Man-do's wife, who had no son, abandons her own daughter, takes Soldier Kim's son, and raises him to become an excellent warrior. Meanwhile, the daughter abandoned by Park Man-do's wife grows up under the care of an old woman and becomes a skilled swordswoman. Eventually, she confronts her biological father, Park Man-do, but just then, a secret royal inspector who knows their stories appears. Finally, all facts are revealed, Park Man-do is punished, and Soldier Kim's son, raised by him, departs cursing his turbulent fate.