Synopsis: Tang Long's world crumbles when his father is murdered, and the ancestral sword is stolen by the corrupt Yuan Zhifu. Teaming up with skilled assassin Yuye Xing'er, they embark on a perilous journey to avenge the injustice. Facing ruthless adversary Jin Hongen and the malevolent Magistrate Yuan, Tang Long and Yuye Xing'er must navigate treacherous waters of deception, betrayal, and danger.