Su Su, a little queen of modern romance, has an accident due to star chasing. Her soul travels to Su Su, a fox demon in Qingyun Mountain, and she loses her past memories. But as a blessing in disguise, she got the immortal master Meng Lian who loved her very much. In order to thoroughly investigate her life experience, Su Su secretly went down the mountain with her master on her back to find the person she had promised in her hazy memory. Unexpectedly, after going down the mountain, she was accidentally involved in the treasure map of the previous dynasty's treasure - the Map of Beautiful Women in the Country. Her life experience is becoming more and more confusing. Prince Yu Wenyin of Mobei, who looks similar to his first love boyfriend, wants to get the treasure from her. Sheng Shaoqing, the young master of Shengjiabao who is deeply in love with her, returns from the devil in order to rekindle their relationship with her. Tuoba of Xiliang Ye Yixin forced her to marry him... And her most beloved master Meng Lian was actually the one who arranged this - the confused girl went through all kinds of hardships and finally reborn as the former Tuyao Immortal, waiting for the phoenix to return to the nest to explain the lingering ancient love before reincarnation.