Jiang Xinbai realized that Yan Nanxing could really transform, but the princess mistakenly thought that her son had the habit of cutting sleeves and passed out.Jiang Xinbai followed the calligraphy and painting clues provided by Li Wufang and found the person who handled the calligraphy and painting, Lu Boan.But because Lu Boan was still a student of the Hanlin Department and Jiang Xinbai had no evidence, he could not directly interrogate the person. At this time, Yan Nanxing had an idea. She told Jiang Xinbai that she could use the identity of this young man to sneak into the Hanlin Department.Help him find evidence.