Bai Feng Jiu, the only red nine-tailed fox, is saved from a deadly beast by Dong Hua, the first emperor of Heaven. In gratitude, she joins him in the fight against the Demon Lord. As they journey together, her gratitude blossoms into love—but Dong Hua, who has long forgotten how to love, remains distant. Can their bond survive across lifetimes and bring their hearts together?