The story of a village amidst the winds of change, with Aunt Guo a female member of the Communist Party as the center. This multi-level display of Chinese farmers of different thinking style and perplexing relationships, reflects some of the major changes in China's rural areas from land reform to the people's commune being established in this historical stage.

Yang Bailao, a tenant farmer, lives with his daughter Xi'er. The despotic landlord, Huang Shiren, attempts to forcibly take Xi'er for himself. On the eve of the Chinese Spring Festival, Huang forces Yang to sell his daughter as repayment of the debt Yang owes him.

解放战争初期，解放军某部排长张志坚（张平 饰）率部掩护部队转移，在与敌激战几昼夜后，弹尽粮绝，张志坚命令战士们从断崖处突围。由于负伤动不了，张志坚、炊事员老王（杜德夫 饰）和连部通信员刘海泉（孙羽 饰）及战土齐得贵（张锡奇 饰）落入敌手。敌政工处长（李林 饰）为了查找我部队转移前埋藏的兵工厂器械和粮食，对他们三人用尽酷刑，并对张排长实施了美人计，均无结果。又让叛徒齐得贵对老王和小刘进行劝降，也不奏效。丧心病狂的敌人抓来了张志坚的母亲（胡朋 饰），演出了母子相看对方受刑的“苦肉计”，亦未奏效。最后，老王因伤重去世，小刘也壮烈牺牲，张志坚面临着巨大的考验...... 本片根据歌剧《钢骨铁筋》改编。