"Spy War: The Little Spy's Counterattack" is a military-themed novel set during the Anti-Japanese War, written by the author Si Ruolan. The novel tells the story of the protagonist Qin Tian, a military academy student who accidentally traveled to China in 1938 and became the director of the General Affairs Section of the Secret Service. Although on the surface he comes across as cynical, in fact he is a long-term enemy agent working for the Chinese Communist Party. He and his wife Gu Shumei fought side by side, faced the test of life and death together, and fought against Japan with passion, showing the love and national justice of the people of that era.