In 1911, after avenging his master Huo Yuanjia, Chen Zhen dedicates himself to the revolutionary cause by joining the Tongmenghui. He is assigned to investigate secret collusion between warlords and Japanese forces within the Tianjin foreign concession.

The ancient heavenly demon is reborn after a hundred years, attempting to unify the three realms. The disciples of the Heavenly Master Way fiercely resist. As the heavenly demon is on the brink of death, it captures its primordial spirit into the body of the next leader, Wang Xuanzhi, waiting for a chance to be reborn. As an adult, Wang Xuanzhi, , in order to suppress...