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."

People's Liberation Army troops overcome difficulties to find a route to build a bridge to Shizi Mountain.

It is a story about the Chinese police who intelligently and bravely fight with the cooperation of the factory's Party Committee and the masses, against the spies, who steal the navy's equipment "Hunting No.99".

In the mid-1950s Henan countryside, communist youth league member Xian Yue responds to the call of the county committee, signing up to participate in the youth commando team, as do the little sisters. Laoxin Yue and other elders firmly oppose the women going up the mountain, think it it is nonsense, unlucky and so on. In response to the feudal remnants of the discussion, Xian Yue does not compromise, carrying out a face-to-face struggle and eventually leading the commando members up the mountain.