Qing Dai, a royal umbrella fairy, fails her mission to guard a sword fairy who escapes the royal pavilion seeking vengeance. This leads her on a journey with a young craftsman to prevent a war.
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.
While trying to free her sister from Fahai's clutches, Xiao Qing winds up in a dystopian city and meets a mysterious man who can't recall his past life.