The film tells the story of Wu Wei, Liu Xiao and others who have just returned, and they feel a great responsibility, and lead the temporary special operations team to infiltrate the gathering point of 100 thugs to start a disparity battle.

In 1927, the Yunnan army responded to the call of the Guangdong Revolutionary Government for the Northern Expedition to conquer the warlord Tang Jiyao, and the two sides fought fiercely in the city of Kunming. Yang Zhihua, a horse groom soldier, hit Du Qingshi's field command post with a single shot with his talent, and although he was defeated and captured, he escaped death because of his magic artillery skills. Yang Zhihua was admitted to the lecture hall by mistake, and there were frequent conflicts with Du Qingming, a high-achieving student. However, he was harshly trained by instructor Katsuo Edano and became the most uneducated sharpshooter. When the Anti-Japanese War broke out, Yang Zhihua joined the Eighth Route Army and went to the battlefield in North China, where he unexpectedly reunited with Du Qingming. A battalion commander of the Eighth Route Army and a Kuomintang instructor, the two abandoned their previous suspicions, joined hands to resist the enemy, and competed with Katsuo Edano many times, and the teachers and students fought on the battlefield. Katsuo Edano made a strange move to form a special force, and Yang Zhihua's artillery battalion fell into crisis many times. After the test of setbacks, Yang Zhihua and Du Qingming turned defeat into victory, and became famous for defeating Katsuo Edano in key battles. After the victory of the Anti-Japanese War and the split of the Kuomintang and the Communist Party, Yang Zhihua and Du Qingming met each other again in the Battle of Jinan.

At the end of the thirties of the twentieth century, the famous Peking Opera troupe "Sheng Family Class" in North China and the gangster Jiang Youcai formed a relationship, and in the conflict, the father and teacher of Sheng Zhonghao, the top martial artist, were miserable. Before his father died, he forced Sheng Zhonghao to make a poisonous oath that he could not take revenge, and Sheng endured the pain and fled to Tianjin with his younger brother Wen Lixuan and his younger sister Zhen Yuhuan. On the way, several people were scattered by the rout, in order to cover the same door Sheng Zhonghao was arrested, fell into the Japanese labor camp, in the process Sheng Zhonghao killed the traitor to avenge his uncle, and therefore missed the opportunity to reunite with his sister Zhen Yuhuan, a pair of lovers who love each other deeply from now on. Many years later, the three brothers and sisters met on the battlefield and had mixed feelings. Sheng Zhonghao finally integrated into the revolutionary torrent, and the Longjiaji Anti-Japanese Self-Defense Army was officially reorganized into an independent battalion of the Eighth Route Army, with Sheng Zhonghao as the battalion commander and Wen Lixuan as the instructor.

The story takes place in China in 1941, where Lan Zhibing (played by Wu Qilong) and Zeng Jieru (played by Liu Sitong) are famous mathematicians, and the two take their son Lan Tian to study in Europe. By chance, the husband and wife deciphered the Japanese army's telegraph code, and with this important information, the family of three decided to return to China and hand over the information to the organization.

Yu Dongfeng, a farmer in Jiaodong, went to join the Kuomintang army in order to get together the dowry for marrying Xiaofeng, a girl from the same village, but fled back to the village halfway only to find that the village was swept by the Japanese, and Xiaofeng's life and death were unknown. Dongfeng learned that the mastermind behind the scenes was Su Daya, the president of the maintenance association, and entered the city not only to kill Su Daya, but also to stir up the storm in the city. At the critical moment, Zhao Zhiguo, the company commander of the Eighth Route Army, came to the rescue, and Dongfeng then joined the Eighth Route Army. Four years later, Dongfeng was already a battalion commander of the Eighth Route Army, and with his "wisdom, fierceness, and picking", he led the team to win battles again and again. Once, the Dongfeng troops and the Japanese army had a tragic and bloody battle, the regiment commander died, Dongfeng was eager for revenge, did not see through the devil's tricks, led the team to pursue it, was ambushed, and the whole army was annihilated. Dongfeng went back without a face, joined the county brigade incognito, and led this county brigade to grow stronger, and reunited with the old army in a battle. Dongfeng returned to the army, but suddenly asked to go to the art troupe to sing operas, it turned out that Satake, the enemy of the group, liked to listen to the opera very much; Dongfeng took advantage of Satake's time to watch the church meeting, and stabbed the enemy. In 1945, Dongfeng led the soldiers of the New Seventh Brigade of the Shandong Column of the Eighth Route Army to start a new campaign on the battlefield of Jiaodong

The film tells the story of Wu Wei, Liu Xiao and others, who have just returned, and feel a great responsibility, leading a temporary special operations team to infiltrate the gathering point of 100 thugs to start a battle of disparity