Modern-day daughter Shen Qingci accidentally unlocks a jade pendant that is passed down from daughter to son, and her soul travels back to the Great Xia Dynasty, which was on the verge of destruction two thousand years ago, and becomes the only "god" around the young emperor Xiao Jingxuan. She used history as a chess piece and materials as a blade to help him change his destiny against the will of heaven, and together they composed a love song of salvation that spanned time and space. In the process of saving and being saved, the two lonely souls warmed each other and achieved each other - he gave her pure recognition that transcended family interests, and she gave him the only hope and light in despair.
