Prince Nan'an, (also known as Tuoba Yu), was determined to become emperor. A series of traumatic childhood events sent him on a course of revenge and destruction. In his eyes, a prince can either use or be used. But everything changes when he meets Li Weiyoung, a woman with an agenda of her own. Although different, the two are drawn to each other, changing Tuoba Yu's heart- and destiny. As he sets his plot into motion, he finds himself torn between the crown and the woman he loves.