Liu Tian, a history enthusiast in the 21st century, travels to Chang'an in the 25th year of Kaiyuan, and as a lonely young man, he rises to the peak of prosperity. He accidentally met Li Bai, Wang Wei and other great poets, watched Li Linfu wield power and Xuanzong neglect his government, witnessed the painting saint's brush strokes, and the aristocratic family worshiping Buddha. From the perspective of a bystander, he gazed at the prosperous scenery and hidden undercurrents of the Tang Dynasty, and experienced the joys and sorrows of a period of history.
