Lin Xinyue, who works at the Digital Conservation Center of Dunhuang Mogao Grottoes, accidentally discovered that the AI operation and maintenance system created by ancient craftsmen was hidden in the thousand-year-old murals. These digital beings that had protected Dunhuang for thousands of years suddenly began to send out distress signals. As the investigation deepens, she discovers that the AI in the mural is being deleted one by one by some force, and her intern badge is actually the key connecting the two worlds. At the same time, a technology company is plotting to sell these AIs into NFTs. Faced with the crisis, Lin Xinyue must decipher the ancient Xixia code within a limited time, find a way to awaken the first-generation operation and maintenance system, and prevent the fate of AI being commercialized and sold. When the deadline comes, she must make a choice: risk revealing the truth, or let this thousand-year-old secret remain silent forever?