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.
In 1930s China, village girl Qian Xiao gains the power to control time, making her a target of powerful forces. As she uncovers the metropolis's hidden secrets, she faces peril and the cost of her gift.