1941, Shanghai. Jin Wei, an underground member of the Communist Party of China, used his identity as an agent of the French Concession Patrol Room as a cover and discovered clues of the Japanese army's "Sakura Project" in a bizarre murder case. In order to decipher this top-secret intelligence that could change the situation of the Pacific War, the four forces of the Military Command, the Central Command, No. 76, And the Super High School started a life-and-death game in Shanghai. Jin Lan had to deal with all parties, weaving loyalty with lies and interpreting faith with betrayal. When the darkest night falls before dawn, he must make a choice - survive, or light the beacon.
