At the end of the Song Dynasty, the world was in turmoil and there were constant disputes in the world. The Wuyue Sword Sect was originally the pillar of the martial arts righteousness, but it fell into internal strife over a long-lost "Tiangang Beidou Sutra". At the same time, the mysterious "Blood Shadow Sect" quietly emerged, and its leader Ye Wuhen was ambitious and intended to unify the world and subvert the court. Lin Yunxuan, a young man with a blood feud, unexpectedly obtained half of the "Tiangang Beidou Sutra" and was involved in this huge whirlpool that swept the entire martial arts world. He must find the truth among the grievances and hatreds, and the confrontation between good and evil, uncover the shocking secrets from a hundred years ago, and finally decide the fate of the world and the world.
