Shen Tieyi, a peerless swordsman, retreated to the world and became an old fisherman, but was approached by Shang Jingzhe, the posthumous son of his enemy who had personally assassinated him. The young man does not draw his sword or seek revenge, he just asks a heart-wrenching question: "Did my parents know they were guilty back then?" In the series of pursuits and battles of wits on the archipelago, the two went from hostility to alliance. Shang Jingzhe used the "sword that does not kill" and the mind field of "stopping an enemy with force" to resolve fatal situations many times, forcing the martial arts heroes to retreat. The remnants of the old era meet with the fire of the new era. Can they join forces to break through this decadent world? Everything is in the cold water of Hanjiang River.
