During the prosperous period of the Tang Dynasty, all nations came to court.
In Chang'an City, Hu merchants gathered, camel bells passed through Zhuque Street, and spices, jewelry and legends from the West continued to flow into this city of the world.
Lu Jing, a stranger whose identity is a mystery, wakes up in Chang'an. He didn't know why he came to this era, nor why the old things in his hands involved a forgotten past event.
Shen Zhiyuan, a young man who also carries a secret, gradually meets him under the arrangement of fate.
From Chang'an to Dunhuang, from Qiuci to Samarkand, from Persia to the far west, they pursue an answer to the "return".
Along the way, they met businessmen, monks, generals, poets and foreign travelers, and witnessed the most brilliant intersection of civilizations of an era.
But they eventually discovered that looking for their way back was also looking for their true destination.
A journey spanning thousands of miles is about to begin.
