Li Wenxiu, a Han Chinese girl who grew up in Altay, is determined to pursue her literary dream in a big city. However, she repeatedly encounters obstacles and is forced to return to her hometown to rely on her mother who runs a small shop. After meeting Kazakh boy Batai, Wenxiu gradually discovered the beauty of the local area.

In a mysterious inn at Dunhuang, four expedition group members stationing here await the arrival of friends brought by destiny. Summoned by the mysterious token fragments, five young idols are traveling to Dunhuang with great curiosity. There, they will join the expedition group and unravel the five key puzzles of Dunhuang dating back a thousand years ago. Together, they will reveal the beauty of Dunhuang via the connection between the ancient civilization and the younger generation.