明 dynasty's twilight, the martial artist Lei Haifu embarked on a quest to root out unscrupulous elements in the martial world. A mysterious figure and his young ward, Little Tiger, shared an unbreakable bond, retreating into seclusion within the borders of Guangdong. One day, the two found themselves confronted by a notorious swordsman from the Jiang Hu, Du Da Shan, who had come seeking vengeance. Despite Lei Haifu's valiant attempts to resist Du Da Shan's countless challenges, he was ultimately defeated and took his own life with a fatal sword strike.
Little Tiger, filled with grief and anger, refused to let Du Da Shan escape unpunished. The vengeful swordsman, however, found Little Tiger's pitiful plight tugging at his heartstrings. Thus, he reluctantly took the young ward under his wing and together they embarked on a tumultuous journey across the Jiang Hu...