Mayor Ji Wen of Xinfeng County gets wind from a mole inside Peacekeeper Corps of another of the Crown Prince’s wrongdoings. Lin Jiulang wants to use it to remove the Crown Prince’s status as heir to the throne. Zhang Xiaojing maintains pursuit of Tugelu, who out of desperation holds a boy hostage, claims to have the map of Chang’an in his possession, and demands that Chang’an residents drive away Zhang Xiaojing. Li Bi finds out that the operative has been beaten to death, the map has been lost, and Lizheng of the Huaiyuan district has been killed.
新丰县丞吉温从靖安司的暗桩那里得到了太子的又一罪状，林九郎得知后想趁机废黜太子。张小敬对图格鲁穷追不舍，图格鲁只好挟持了一个小男孩，扬言自己有长安城的舆图，逼迫百姓把张小敬强行赶走。李必得知狼卫被打死，舆图丢失，怀远坊里正被杀，何执正来找他兴师问罪。兵奴奉何执正的命令革去张小敬的官职，并把他抓走。兵奴发现了焦遂的尸体，李必猜到是狼卫所为。
