Plot: In 1936, Lin Nan Sheng, a student of the China Reconstruction Society cadre training class, was taken to Shanghai to participate in the arrest of the underground party. In the process, Lin Nan Sheng was constantly attracted by the sense of mission and fearless sacrifice of the Communist members for the country. Lin Nan Sheng was brave and resolute in the fight against the puppet troops, and he repeatedly gained achievement. He stood with the Communists many times and used his special status in the military to provide great help to the underground party. After the victory at the War of Resistance, Lin Nan Sheng grew up into a true Communist. At the critical moment in the War of Liberation, he made outstanding contributions to the party and the country.