1948年,东北,国民党残部边撤离边计划炸毁鞍钢厂区。危机时刻,“战斗英雄”赵铁池(刘烨 饰)带领共产党部队直冲腹地,殊死搏斗,摧毁了敌人的阴谋。赵铁池化身“钢铁战士”与工程师孙雪飞(韩雪 饰)、老工人孟泰(林永健 饰)、总经理程时勋(张国强 饰)一同投身复工复产。然而 ,高炉已成铁坨,厂区如同废墟,专家一致看衰,特务暗中观察,前线战况吃紧,时间日益迫近……第一炉铁水似乎成了一个不可能完成的任务……Faced with the urgent need for steel to resist American aggression and help Korea, Chinese steelworkers overcame many obstacles and endured countless hardships to repair an abandoned blast furnace and produce steel as soon as possible.