At the end of the Ming Dynasty, the government was corrupt, eunuchs were in power, and people were in ruins. The world is in turmoil, the righteous path is declining, and the evil path is rampant. Mu Yungui, a young man, was originally a child of a martial arts family in the south of the Yangtze River. His family was wiped out overnight and he survived alone. Carrying the blood feud and the secret of the ancestral Dragon's Back Sword, he stepped into the chaotic world from the Jiangnan water town. Along the way, he hones his martial arts skills, makes close friends, and encounters old enemies. With the in-depth exploration of the case of family extermination, Mu Yungui gradually uncovered a huge conspiracy affecting the fate of the world. When the Dragon's Back Sword awakens in his hand, the young man will eventually turn into a knight with integrity, using the blade in his hand to cut off the injustice in the world and restore peace to the world.
