Police attempt to stop Nationalist agents from destroying public buildings in Ruancheng after the Red Army occupies the city.
An underground CPC telegrapher, Li Xia, fights against the Japanese enemy and dies before the eve of Shanghai's liberation in 1939.
In 1946, Chiang Kaishek commits 200,000 troops to an attack on the Communist-held central plains of China. After the PLA main force in the area retreats, the Nationalists also capture the area around the Dabie Mountains. County Party Committee Secretary Liu and county organizations department director Mo Wenjie lead a guerrilla troop against the KMT forces. Will the film belief of the revolutionary cadre be able to overcome not only the enemy, but cold, hunger and betrayal?