In the autumn of the thirteenth year of the Zhenguan era, a falling star crashes into Chang'an.
Modern engineer Li Ke opens his eyes as the Prince of Wu, a man of mixed Sui and Tang ancestry.
He melts glass to break the salt and iron monopolies, forges changdao swords to cut down the aristocratic clans' private armies,
uses a flying-cash system to undermine the great families' control of finance, and manipulates public opinion at court with astrological prophecies.
The armillary sphere at the Directorate of Astronomy conceals a map of the former dynasty's dragon veins,
while the Wuchang Group of the Undying Men lies in wait, harboring Japanese ninjas.
When Li Ke uncovers the final page of The Prophecy of the Future,
the portent of “Empress Wu” points to the very person he helped raise to power, the one at his side in bed…