In the twenty-sixth year of the Republic of China, on the eve of the full-scale outbreak of the Anti-Japanese War, undercurrents were surging in Shanghai, Jinling, Tianmen and other cities. The military command, the Central Command, the Japanese Special High School, Wang Puppet Spies, underground party intelligence lines, and the foreign forces in the concession were competing with each other. In troubled times, the intelligence war became an invisible main battlefield. All forces were deceitful and murderous. The protagonist Lin Mo traveled through time and became a trainee agent of the Shanghai Military Command. With the help of systems and modern intelligence capabilities, he quickly solved the crisis left behind by his original body. He emerged in spy missions one after another. He slapped villains in the face, disrupted Japanese conspiracies, eradicated traitors, and gradually gained a foothold within the military command. At the same time, Secretly contacting the underground party intelligence line, taking national interests into consideration, dealing with the military, Japan, Wang puppets, concessions and other forces, counterattacking from a low-level agent to becoming an invisible boss in the intelligence community of the Republic of China, and finally made great achievements in the Anti-Japanese War and controlled his own intelligence structure.
