The story takes place in the Baiyangdian area during the Anti-Japanese War. Gazi (played by Xie Mengwei) dreams of joining the Eighth Route Army. Since his grandmother (played by Huang Suying) was killed by the devils to cover up Uncle Zhong (played by Du Yuan), Gazi went to the city alone to find the reconnaissance hero Luo Jinbao (played by Jin Hong). After joining the army, he cooperated with the district team to fight a "curtain war". He ran away in anger due to violation of discipline, and later returned to the county with friends such as Pangdun (played by Du Yu). He wanted to avenge his grandmother alone. My special commissioner Liu Yan (played by Qian Duoduo) was ambushed and separated, and was later rescued by the fisherman girl Yuying (played by Wang Shasha). The devils sent Shi Lei (played by Liu Naiyi) to pretend to be a special commissioner and mix into the district team. His conspiracy was discovered by Gazi. Since the special commissioner was responsible for the successful transportation of drugs, a battle of wits and courage was launched around the true and false special commissioners. After a series of battles, Gazi gradually grew into a soldier who consciously abided by discipline. He and his friends cooperated with the district team to smash the enemy's conspiracy, and a large number of medicines safely passed through the enemy's blockade line...