Zhang Xiaojing runs into Li Bi by chance in the underground city. The two of them go over what has happened and come to the conclusion that Long Bo’s assassination of Lin Jiulang is just an act. Zhang Xiaojing comes to Ge Lao to talk business, and Ma Tailang seizes this moment to rebel, proposing that he and Zhang Xiaojing work together to kill Ge Lao. Zhang Xiaojing had long heard stories about Ma Tailang ransacking the homes of spies who had fled.
张小敬在地下城与李必不期而遇，俩人把前因后果捋了一遍，断定龙波刺杀林九郎就是一个幌子。张小敬来找葛老谈生意，马太郎趁机造反，要和张小敬合伙除掉葛老，张小敬早就听说马太郎带人清缴逃走的那些暗桩的家，他回身把马太郎当场杀死。葛老交给张小敬一个信物，让他去见守捉郎。林九郎让李四方帮何孚写证词，拐弯抹角提醒何孚指证何执正是幕后主使，何孚坚决不干。郭利仕追问李适之与林九郎的谈话内容，李适之承认何执正给他看了圣上草拟的诏书，想把朝政交给林九郎。
