Amid the upheaval of Chiang Kai-shek’s 1927 coup, young revolutionary Xi Zhongxun defies political terror and emerges as a leader. Inspired by Liu Zhidan’s uprising, he joins forces to establish the Shaanxi-Gansu Red Army. During the Anti-Japanese War, he strengthens the revolutionary base and fosters its development, earning Mao Zedong’s praise for his loyalty to the cause. After Japan’s surrender, Xi Zhongxun fiercely defends the Northwest, helping to lay a foundation for national progress.
After a natural disaster, the Zhao and Liu villages merges together with the help of the village branch secretary Zhao Shuhe, who works to eliminate poverty and heal the grudges between the two villages.
On the eve of the Spring Festival in 2020, the sudden outbreak of the epidemic completely changed the lives of senior high students thus opening the curtains to their "biggest test". The epidemic suddenly hit China in early 2020 and the senior high school students of Jinhe County, Anhui Province faced an unprecedented test. Just as everyone overcame difficulties to take the gaokao (college entrance examination), a flash flood brought forth new challenges. With the joint efforts of the party, the government and all sectors of society, satisfactory answers were handed in for this "big examination".