"Yongle Secret Scroll" On the night when he won the first prize in the palace examination, Shen Mo, the new champion, did not even get to parade in red, but the secret words of the previous dynasty were already revealed in his poems. The eight sentences of the palace poem coincide with the eight verses of the "Yongle Dadian", and actually spell out a mysterious map pointing to the Nanjing underground palace. The King of Han suspected him of treason, and the royal guards surrounded the palace at night, but Shen Mo knew that the poem contained not only the truth that his father was not dead, but also involved a huge secret that shook the Yongle country. Under the approval of Qing Shi and Zhu Zhu, he must find the real player in this chess game where life and death are at stake.