The city of Nanjing was silent all night. I received a secret message: Japan's "Black Sun Project" is about to launch - conducting experiments on living bacteria. Zhong Yiqun risked his life to steal the first batch of experimental subject transportation route maps. The next day, the communication station exploded, the drawings disappeared, and only half of the cuff of the prison uniform remained in the body of the comrade. Liu Ruyan discovered that No. 76'S internal report stated that the explosion was an "accident", but Ye Huaishan looked on with cold eyes. When Xu Mo broke into the intelligence office of the Mei Agency, he discovered the tracks of the special refrigerated truck. When all the clues pointed to a cotton yarn factory in Shanghai, we decided to give it a try...
