What is the plot of Sanmao joining the army?

San Mao (Jia Lin? Jia? Lin? ) has always been a comedy character on the screen. Sanmao joined the army this time. War of Resistance against Japanese Aggression broke out in an all-round way, and the idle San Mao wanted to make contributions to his country and joined the army. Unexpectedly, the recruits were full of jokes when they were training. In the Grenade throwing training, Sanmao accidentally threw the Grenade into the trench, which made the whole army dark. San Mao, who was in a fog, then joined a death squad. He and his teammates were full of jokes and wiped out the enemy. Chiang Kai-shek visited the front line to express condolences to the soldiers. Sanmao was very surprised by Chiang Kai-shek. Before long, a piece of paper sent Sanmao to the headquarters as an orderly.

Because of his meritorious service in resisting the enemy, Sanmao was promoted to the logistics department, so he didn't have to go to the battlefield again, but became a servant of Shi Gu. Being bossed around all day makes a lot of jokes. Unexpectedly, the defeated teacher committed suicide and Sanmao returned to the barracks. In an airborne mission, San Mao and his former bosom comrade-in-arms were ambushed, but they survived and fell into the mountains. By the end of War of Resistance against Japanese Aggression, San Mao and his comrades had become savages.

Suddenly one day, a plane flew through the jungle and dropped countless leaflets. It turned out that the war was over ... Sanmao became the first soldier to answer. He took off his cap, revealing three long-lost white hairs, and he was at a loss as to where to go. ...