Modern internet web novel writer Su Ming awakens the Plane Visitor System, periodically hosting visitors from ancient times. Xu Miaoyun, daughter of the Duke of Wei in the Ming Dynasty, unexpectedly time-travels to modern times, personally experiencing current living conditions, agricultural technology, and social concepts, and learns about the historical trajectory of the Ming Dynasty and the tortuous fate of her family descendants. Monarchs and ministers of the Hongwu era witness all scenes simultaneously via the heavenly screen, receiving a great shock to their hearts. Relying on his knowledge and insights from future generations, Su Ming brings entirely new thoughts and inspiration to the people of ancient times.