Traveling back to the Zhenguan period, Li Xuan, a down-and-out young man, met Li Shimin who was incognito in the West Market. The words "I am Li Xuan, King of Chu" instantly changed the situation in the world. The jade pendant and genealogy proved his identity, but also pushed him to the forefront.
Saving a horse for meritorious service, having secret conversations late at night, getting to know each other in the palace... Is the identity of the royal family true or false? The family's power is undercurrent, and suspicion has never dissipated. With the reputation system and modern knowledge, he not only wants to survive, but also wants to make his own way in the Tang Dynasty's machinations.