Chen Yan, a doctor of modern history, traveled back to the eve of the Jingnan period. Using history as a sword, he supported the orthodox Zhu Yun and laid a net to kill Zhu Di. He teamed up with the forbearing Xu Miaoyun and the stubborn Huang Zicheng, using secret edicts as bait to dismantle the foundation of King Yan step by step; while Yao Guangxiao secretly added fuel to the flames, just to burn the old world. When Zhu Yunwen transformed from a scholar to a sword-wielding emperor, a bloodless coup was sweeping Jinling - but who is the real traitor?
