Guangzhou white-collar workers Qin Rui and Yang Tiantian went on an adventure in the snowy mountains and met a lama practicing in seclusion. The lama gave Qin Rui a magical ring. On the way back, they encountered heavy rain and mudslides. At a critical moment, the ring took them and the driver through time and space to Tubo in the Tang Dynasty. After experiencing a series of wonderful experiences and beautiful love in Tubo, they decided to find the owner of the ring and let him take them home. So they followed the footsteps of the owner of the ring and strayed into Nanzhao, passed Chengdu, took the Shu Road, and arrived in Luoyang. They were constantly thrilling and funny along the way, and met many knights and historical celebrities, and finally arrived at Chang'an, the capital of the Tang Dynasty. In Chang'an, they were involved in the complicated and interesting struggles between the harem and the court, and performed an eternal love song with the emperor's family. The story is absolutely twists and turns, and it integrates history, folklore, science, literature and adventure, making it both exciting and informative for you to read.