Opening: Bai Qian, we are bound by three lives and three lives. We are in love with each other for three lives. No one should try to lift this "shackles". She is Xiaoxiao, a modern high-achieving student, Gu Chengjie in this life, and Muyan, the mysterious girl above the nine heavens; he is Duan Hengyu, Bai Qian in this life, and Xuyi, the master of Liyun Valley. Perhaps, there is God's will in the dark.