The male protagonist of the novel was called Liu Zhenfeng, and the female protagonist seemed to be from the modern era. This kind of plot was more common, usually involving elements such as time travel, rebirth, and the War of Resistance against Japan. In the novel, Liu Zhenfeng was a modern youth who accidentally transmigrated to the period of the Anti-Japanese War and became an extraordinary agent. In this era, he used his skills and knowledge to carry out missions behind the enemy lines and contributed to the Anti-Japanese War. At the same time, he gradually discovered his original identity and mission and began to reconsider his life and future. The female lead was usually a special agent or a battlefield doctor who had a special emotional entanglement with the male lead. They usually experienced many trials and tribulations in this era but still firmly stood on the side of the male protagonist to help him complete his mission and protect his life and honor. This kind of plot usually involved elements such as time travel, rebirth, and the Anti-Japanese War. It had a deep sense of history and reality, which was one of the reasons why many readers liked to read.