An ordinary young man was chosen as a host by Emperor Xuanzong of the Tang Dynasty thousands of years ago, and gradually became a strong man. The original agreement was forgotten, and the crisis came, and he returned to his original choice, repaying the kindness of the ghost, and looking for his lover from thousands of years ago. The appearance of a golden hairpin and a golden flower rekindled the young man's heart that had given up, and the remnant soul that had been integrated was suddenly resurrected. In the midst of the complexity, the sunrise was seen through the fog, and a love that spanned a thousand years slowly unfolded.