The film follows a group of Chinese People's Volunteer Army soldiers who are holding Triangle Hill for several days against US forces. Short of both food and water, they hold their ground until the relief troops arrive. The movie portray the battle as a Chinese victory over an American invasion, and the People's Volunteer Army soldiers were shown as Chinese war heroes."

Lin Jin, a solider of the New Fourth Army, stayed in Liubao village with his Army. During Lin Jin's stay, he fell in love with a local girl, Ermeizi. However, he had to leave Liubao with his troops for several years. Lin Jin and Ermeizi lost contact during the war after Lin Jin had left Liubao. Years later, Jin returns to Liubao where he finds Ermeizi again.

Soldiers act as sentinels in the city center after the liberation of Shanghai and they are facing all kinds of temptations.

Documentary of the underground cities constructed under the nuclear threat of both US and Soviet Union during the Cultural Revolution period.