The infamous Japanese Unit 731 unleashed biological warfare across China. Mu Lanfeng, an undercover agent for the Kuomintang’s Military Statistics Bureau, secretly infiltrates Harbin in the Northeast to begin an intelligence campaign against Japan. Through one spy battle after another, he tells the tragic story of Chinese people who refuse to endure Japanese oppression and dare to fight back to the death. Every Chinese character in this story, from agents of the Military Statistics Bureau to members of the Northeast Anti-Japanese United Army, from ordinary citizens to patriotic activists, demonstrates through their actions the Chinese people’s great commitment to their country and to peace. The protagonist, Mu Lanfeng, was originally a narcotics officer in the modern world. After a bullet pierced his heart during an operation, he transmigrated through time and was reborn in Harbin in 1938, where the war situation was treacherous and unpredictable. Though his memories had been erased, he made heroic contributions to the resistance through his intelligence work. In those years, Unit 731 conducted unspeakably cruel biological experiments on Chinese people, provoking the outrage of countless international friends. These inhumane acts of war inspired more and more Chinese people and foreigners willing to make sacrifices to call for peace throughout the world and in China. Vital intelligence gathered from the Kwantung Army’s Unit 731 continued to make its way into the international community, while the entire nation wept blood and tears. All across China, people donated money and supplies to help secure victory against Japan, bringing warmth to a country engulfed in war. In the struggle to fight Unit 731 to the death, Mu Lanfeng did everything in his power to protect the people, defending his country’s dignity in the battle against the Kwantung Army...