At the end of the Song Dynasty and the beginning of the Yuan Dynasty, wars raged and mountains and rivers changed hands.
Shen Qingchen, a remnant of the previous dynasty, was originally a student of Lin'an Imperial College. After the death of the Song Dynasty, he became anonymous and worked as a framer and repairer, hiding in the streets of Jiangnan. His master left a message before his death: "If the book is there, the context will be there, and if the context is there, the world can be restored."
A mysterious letter led him to the seaport of Quanzhou, where he unexpectedly learned that Zhao Chongyi, the former shipping envoy of Quanzhou, had collected a batch of core files and precious ancient books related to the overseas trade of the Song Dynasty, which were hidden in a site on the ancient Maritime Silk Road. This batch of documents not only records the trade network between the previous dynasty and more than fifty countries, but also hides the secrets that changed the direction of the world.
