An accident made Princess Li Jing (played by Ying Er) meet a man named Wang Ying (played by Hawick Lau). As time went by, Li Jing gradually developed feelings for Wang Ying. Because of accidentally injuring Li Jing, Wang Ying was thrown into prison. Only after Li Jing begged hard, Wang Ying was spared from death and was exiled to the frontier. Fox demon Xiao Wei (played by Bai Bing) was imprisoned in the Ice Hell because she violated the laws of the demon book, but she was thinking about her former lover. After a search, Xiao Wei found that Wang Ying was the man she wanted to renew her relationship with. However, the blood moon eclipse was imminent. If Xiao Wei could not find a person of the same origin but different hearts, she would be shattered. Therefore, she had to absorb blood yang, the only way to maintain her human form. Xiao Wei created an opportunity to meet Wang Ying. As time went by, they gradually developed feelings for each other. At this time, Li Jing came all the way to find Wang Ying. She saw the intimacy between Wang Ying and Xiao Wei.