Xuan Lind transmigrates to Great Yong Dynasty as an imprisoned Banner Officer, suspected of treason, facing deadly predicaments. Relying on judgment, he proposes New Salt Refining Method, gains trust and power. Facing Southern Zhao Realm agents, Nine Li mystic arts, imperial court power plays, Xuan Lind practices Mountain Suppression Art, Myriad Forms Manual, Star Technique, navigating crises to prestigious embroidered guard status.