Ten years ago, the entire Qingyun Sect was wiped out, and rumors in the martial world blamed the Demonic Cult. Ten years later, a series of massacres strikes Suzhou City. The killer's methods are brutal, and his swordsmanship is superb. Lin Han, a swordsman in blue robes, is framed for the murders and thrown in prison. There he encounters his former master, the sole survivor of the Qingyun Sect, and learns a shocking truth: the massacre that destroyed the Qingyun Sect was connected to his own father.