In the winter of 1937, the embers of the war in Songhu had not yet cooled, and the neon lights of the French Concession in Shanghai were still there. In the gilt record player of the Paramount Ballroom, the grooves of "Tuberose" hide the coordinates of Japanese submarines; on the mezzanine of the safe in the HSBC bank vault, the dark pattern of Suzhou embroidery on the blood-stained cheongsam spells out the infiltration list. The "Sakura Thorn" project, which the Japanese Army's "Kagemusha" special training class has been dormant for ten years, has quietly launched. A spy team code-named "Spike" has wormed its way into the heart of the military.
Lin Xiu, who served as the leader of the military reunification Shanghai station operations team, studied cryptography at Waseda University in Japan in his early years. The little finger of Lin Xiu's left hand still bears the sulfuric acid scar from the explosion of the Manchuria Railway Research Institute in 1935. The smiles of his wife and daughter on the inside of his pocket watch are his only connection with the Nanjing bombing. When he discovered the unique code engravings of the Waseda University laboratory at the scene of the counterfeit banknote case, all the evidence pointed to the classmate who had "married his country."
The silver fox shawl of Ye Wanqing, the "Blue Bird" of the CCP's underground party, is soaked in five secret writing potions, and her earrings and compass tremble in front of the Gua stall in the City God's Temple. She saw through the mustard gas equation hidden in the iris bleeding spots of the dancer's corpse, but during the tracing, the crack trajectory of Lin Xiu's pocket watch strangely overlapped - the crack direction of the dial glass was exactly the same as the electromagnetic spectrum chart of the Japanese army's latest radio station.
Wang Puppet Customs Supervisor Zhou Zhengxiong's gouty ankle was soaked in the medicinal soup, and the bounty list between the pages of the "Diamond Sutra" was leaking out the secret orders of the special class. Among the customs passes he issued every day, 30% of the goods contained frozen strains of Unit 731, and the Leica camera in the basement of the German-style villa contained recent images of Lin Xiu's "dead wife" in the Harbin laboratory...
