When an emperor accidentally switches bodies with his empress, the two must deal with the awkward fallouts as they learn to accept each other.

A few years after the Anshi Rebellion, Tang dynasty military commander Gao Shi suffers a defeat in a battle threatening Chang'an. Trapped in the besieged city, he recalls his lifelong friendship with the acclaimed poet Li Bai.

In ancient Jinling City, General Kou's bodyguard cat Zhan Ao partners with the young Bao Zheng, Jinmaoshu and General Kou's daughter Kou Zhu to find truth, solve the mysterious case together, exposed a huge conspiracy.