After the Songhu Battle in 1937, Shanghai fell, and various forces competed on this "isolated island". Chen Mo, a young accountant from Jiangbei, came to Shanghai alone to join his cousin because of the war that destroyed his family. He originally wanted to find a stable job, but due to his exquisite "craft" of forging accounts and imitating handwriting, he was accidentally involved in the center of the whirlpool. He was successively won over by Japan's Special High School, the military command and the underground party, and was forced to have a triple identity. In this battlefield without gunpowder, Chen Mo must use the wisdom and caution of a small person to dance on the tip of the knife. A little carelessness will lead to catastrophe... However, except that the battlefield in Shanghai is everywhere, where will the wind from Shanghai stop...?
This is the best spy novel I have ever read