This film tells the story of Zhang Si De, a model of the Chinese People's Liberation Army. In the late period of the War of Resistance Against Japan, Yan'an was in a mass production movement. The service soldier Zhang Si De (Wu Jun) is honest, unspoken, never invites merits for doing good things, works hard and never complains, and devotes himself to the Chinese revolutionary cause.

The civil war in China has ruined many lives including General Pang's. A wounded General Pang is saved by a beautiful young woman along with two other men. Together they vow to eradicate the rebels.