The Secret Key of the East

A young woman from China moves far away to France to start a new life in the suburbs of Paris. There, a mysterious wooden chest reveals that her husband's family are descendants of Zhu Yunwen, the Jianwen Emperor of the Ming dynasty. Following the clues passed down through the generations, she gradually unravels historical mysteries that have puzzled scholars for years: the strange death of Zhu Biao and the Jianwen Emperor's mysterious escape. She also discovers the truth behind the Yongle Encyclopedia, ultimately confirming that everything stemmed from a secret Zhu Biao found in the Mausoleum of the First Qin Emperor.