What was the main content of Soldier Zhang Ge?

" Soldier Zhang Ge " was a modern Chinese story about a soldier Zhang Ge who was carrying out a mission behind enemy lines during the Anti-Japanese War. The story of the novel took place during the Chinese Anti-Japanese War. The protagonist Zhang Jia was an ordinary soldier. He carried out a mission behind the enemy lines and launched a life-and-death struggle with the enemy. Zhang Jia was smart, brave, and good at analyzing the enemy's behavior and psychology. He was often able to turn danger into safety and win victory for the troops. Through Zhang Jia's story, the novel reflects the social background of the Anti-Japanese War and the importance of the people's war. It shows the Chinese people's fearless and indomitable national spirit. At the same time, the novel also showed the complexity and variety of human nature. The vivid characters and the ups and downs of the plot were deeply loved by the readers.