1950, PLA scout Tai Zeng disguises himself as a Taiwan agent to defeat the bandits in West Guangxi province.

The film is adapted from the section "The Intelligent Conquest of Wuhushan" in Qu Bo's novel of the same name, telling the story of the People's Liberation Army's campaign to eliminate the bandit forces composed of remnants of the Kuomintang that were entrenched in Northeast China.

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?