In the later stage of the Liberation War, with the victory of the three major battles over, the Central Committee of the Communist Party of China and Chairman Mao Zedong made strategic decisions, ordering Liu Bocheng (played by Fu Xuecheng) and Deng Xiaoping (played by Lu Qi) to lead a group of the Second Field and Fourth Field to advance towards Hunan, Hubei, Guizhou, and Sichuan, and annihilate the remaining enemies in the southwest. On his way south, Deng Xiaoping asked railway experts he met about the construction of the Chengdu Chongqing Railway and gave political education classes to the troops heading south in a timely manner, implementing Chairman Mao's great teachings of "carrying out the revolution to the end"...

A girl finds that the old man living in the opposite side never opens the window. His son left hometown for work just as the girl's parents. The girl and the old man take care of each other occasionally and he opens the window eventually.