Young Gu Han, unjustly accused and bearing the stigma of patricide, awakens a mysterious sword legacy on the brink of death. With one man and one sword, he seeks to avenge his father and slay his enemies. He cultivates an ultimate sword body, condenses an indestructible sword soul, and forges an invincible sword heart. He battles the myriad realms, defeats the supreme heavenly geniuses. With one sword raised, the netherworld collapses. With one sword fallen, the great cycle of life and death is extinguished. Ascending to the ultimate path, he becomes the Sword Supreme!