After Yang Guang died, Li Yuan smeared his name as Emperor Yang. His soul endured, drifting for two thousand years as he witnessed the rise and fall of the world.
Reborn in modern times as an overworked 996 wage slave, he dies suddenly from working overtime and is reborn as himself at birth.
Modern technological knowledge is etched deep into his soul. His memories of his previous life awaken, and he cultivates the spiritual energy of the Sui Dynasty.
He crushes the Turks and builds the Grand Canal, then uses industrial assembly lines to mass-produce sturdy ships and powerful cannons. Steam-powered iron steeds trample cities across Europe.
Yuwen Huaji’s attempted rebellion fails, but it draws the attention of the Western Church. The Crusaders are blown to pieces by cannons powered by the Five Elements.
Li Shimin seeks him out as a master, Li Jing leads the Divine Mechanism Battalion in conquering the world, and Xiao Meiniang eventually becomes the immortal empress of Qin.
Just as the whole world bows to Huaxia, a signal from beyond the stars quietly arrives...