500 years ago, Chi You wanted to introduce Huawai to destroy the Three Realms, and the survival of the world was at stake. At the cost of their lives, 15 heroes joined forces to seal Chi You in the Martial God Altar of the God of War Mountain. The demons are in turmoil, and people with lofty ideals from the three worlds join hands to save the common people. Five hundred years later, Chi You is about to break the seal, and the Tang Dynasty official swordsman (played by Cheng Huainian) embarks on this road of eliminating demons in order to save the common people. With (the power of the gods) ) will unite chivalrous men from the three worlds to fight against Chi You? Will Xuanyuan Sword be born again?