After transmigrating to the Zhenguan era, the down-and-out young Li Xuan meets Li Shimin in disguise at the West Market. One declaration, "I am Li Xuan, Prince of Chu," instantly reshapes the fate of the realm. A jade pendant and the clan genealogy prove his identity, but also thrust him into the eye of the storm.
Rescuing a horse and earning merit, secret talks in the dead of night, a reunion at the palace... Is his royal identity real or false? The great clans maneuver in the shadows, and suspicion never fades. Armed with a prestige System and modern knowledge, he must both stay alive and carve out his own path through the power struggles of the Tang dynasty.
