The Crown Prince and Lin Jiulang enter into a heated exchange, both trying to assign blame to each other. This scene confirms the Emperor’s suspicion that the Crown Prince ordered He Fu to assassinate Lin Jiulang. Long Bo brags to Li Bi about what he believes to be his flawless assassination plan. Li Bi is only interested in finding out who the mastermind is. The Emperor forces He Zhizheng to pass judgement on whether the Crown Prince is an innocent person facing false accusations.
太子和林九郎唇枪舌战，互相指摘责，圣上见状更加确定太子指使何孚刺杀林九郎是真的。龙波向李必炫耀自以为天衣无缝的刺杀计划，李必只想知道他的幕后主使。圣上逼何执正判断太子是否冤枉，何执正犹豫不决，太子求圣上不要迁怒于何执正，林九郎趁机弹劾何执正犯了欺君之罪。龙波带领蚍蜉们紧锣密鼓安装伏火雷，李必和龙波做交易，他答应把张小敬引来，求龙波放过太子。张小敬找到毛顺，他不愿看到百姓成为这场阴谋的祭品，毛顺让他在圣上和百姓之间做出选择。毛顺将大灯楼的秘密告诉了张小敬，长安城恐将大祸当空。
