Xiao Zhan, a modern special forces instructor, was unexpectedly reborn and found out that he was an abandoned disciple who was expelled from his master. In the process of searching for the truth behind the death of his parents, he rebuilt his foundation with Jinghong's bloodline, created his own "Jinghong Nine Transformations" sword skills, and gradually uncovered the conspiracy behind the four major forces in the world: "Tiandaomen", "Blood Sword Villa", "Yaowang Valley" and "Tianji Pavilion".
