In the early Tang Dynasty, the realm is at peace, but far from secure. Young Lu Ming transmigrates into the body of a county magistrate and uses his knowledge to build a modern tourist town.
The Tang Dynasty, having only just emerged from the Xuanwu Gate Incident, is eager to rebuild every industry. Li Shimin is hungry for talent, and on the third day after taking the throne, he travels incognito through the prefectures and counties, determined to find the secret to making the Li Tang dynasty prosper quickly…