When the Qianling Ancient Tomb was excavated, the archaeological team was surprised to see that the books in front of them had not oxidized due to exposure to the air and were still well preserved after thousands of years. Dr. Gu, the leader of the archaeological team, wants to carefully study the contents of the book and test whether there is a special antioxidant material in the book. If such a material exists, it can be copied again, which will play an immeasurable role in the protection of Chinese cultural relics. The yellowed paper exudes a faint fragrance. Dr. Gu took the book back to his office and wanted to study it carefully, but found that the text on it was difficult to decipher. After thinking for a while, he opened the address book on his mobile phone and called Dr. Qian with the note "Old Money Man". Dr. Qian is the number one person in China in the field of text research. Unfortunately, Dr. Qian is cooperating with a national key project, and the clone Lack of skills, but as for the friendship between the two, Dr. Qian decided to send back his most proud student - Li Yan. In Dr. Qian's words, "The reason why I, old Qian, am the number one in China is only because of Li's respect for the old man." The person Li Yan respected the most in his life was his master and the "father" who raised him - Dr. Qian Weilin. When the plane landed in western Guizhou, an inexplicable feeling came to mind. Li Yan didn't have time to think about it and rushed to Dr. Gu's office as soon as possible...