In an attempt to save Lady White Snake, Qing the green snake demon stole the Purifying Vase from the heaven realm, which led to decades of drought in the human realm. While hiding herself among the humans, Qing fell in love with Bao Ren. Knowing her love for him would end badly for both them, Qing decided to leave Bao. However, her past caught up to her before she could safely get away.