Confined to a frozen cell for centuries, malevolent fox spirit Xiaowei regains her freedom and seeks to preserve her beauty by seducing men and consuming their hearts. Should a man offer her his heart willingly, Xiaowei will become mortal, breaking free of the underworld once and for all. When destiny brings the disfigured Princess Jing across Xiaowei's path, a supernatural struggle for the hearts of Jing and her beloved ensues.