Year 690, Luoyang city, winter.
Empress Wu Ze Tian, instigated by her nephew Wu Cheng Si, orders that all the flowers in her garden bloom at once. The fairies of the flowers are hesitant to obey her order, afraid of destroying the natural order of seasons. The Empress, angered, burns the garden and destroys all the peony flowers, whose guardian fairy Rui Yu is the more resistant to her order.
Having disobeyedan imperial edict, Rui Yu is banned from Luoyang and leaves the city. In the meantime, judge Di Ren Jie dispatches one of his men to protect the fairy during her journey from the assassins of Wu Cheng Si, who wants to have her killed because she discovered one of his secrets.
