With the help of surveillance set up by Peacekeeper Corps, Zhang Xiaojing enters into intense close combat with the enemy, finally eliminating a Wolf operative and a horse carriage.
Li Bi interrogates Yu Chang, who not only remains tight-lipped but nearly kills him. Zhang Xiaojing, Tan Qi and Yisi go to Liu's Bookshop to investigate further.
In a flashback, Li Bi wants to stay in the mountains to practice monasticism, and when Yao Runeng tries to talk him out of it, they have a quarrel and Li Bi gets rid of him.
The Emperor publicly puts the Crown Prince in a conundrum. Not knowing what to do, he drops to his knees and asks to be excused under the pretext of being overcome.
Worried that he may be assassinated, Lin Jiulang refuses to attend the banquet and assigns Ji Wen to find out everything about Xu Bin, the Security Office researcher.
The Emperor empathises with He Zhizheng's patriotism for Great Tang and his heartfelt support for the Crown Prince, and decides not to hold his actions against him.
Li Bi suspects the Emperor wants to use the struggle between Lin Jiulang and the Crown Prince to even up their power and stabilise the Emperor's own power.