1936年,山(shān )(🆓)西董(dǒng )家(jiā )生产的(de )熟(🏽)铜成为兵家必争的战略物资(zī )(🕰),日(rì )军因此展开了“樱花(huā )(🛤)计划(huá )”。董(dǒng )家(jiā )二少董(dǒng )守旺(wàng )在危机关头(tóu )劫富(🌗)济贫,却无意(🖲)中破坏了地下党(🤷)组织的购买熟铜(tóng )的计划。中(zhōng )共地下(🚥)党(dǎng )员(🕌)齐颖临危受命,想(xiǎng )要通过(guò )与董守旺的同学之(zhī )(😱)谊(yì )完成计划。董守(📎)旺因(🚣)爱慕齐(🌚)颖而(ér )全力援手,过(❔)程中却发(fā )现齐颖(🥎)之(🥔)父马其隆等人与董父之死(🤸)有直接关系,愤(💪)怒中(🎾)行刺却落入对(duì )方陷(xiàn )(🧤)阱。齐颖(yǐng )(🕙)和(hé )董守(💠)旺的(⛳)精(jīng )神教父关建云(yún )冒着生(shēng )命(⚾)危险将其(qí )救出(🈁),关(guān )建云(yún )因(🏉)此遇害(👊)。董守旺悲痛(tòng )(😊)之(zhī )(🈸)余放下家仇(chóu )(⛏),协助齐颖为(wéi )抗(kàng )日先(🚶)遣(💹)队谋取(qǔ )熟铜和枪支弹药。两人逐渐(jiàn )(😙)从(cóng )(🤥)冤家到相依相帮(bāng ),历(lì )经磨难,立(lì )下奇功(🏴),最终(🔎)不(bú )(🌂)得(dé )不炸(👄)毁矿场和兵工厂(chǎng )(🚡),宁可远离家(🎐)乡,也(yě )不做亡国奴。在齐颖引导(dǎo )下,董守旺终于从一个放(🎴)荡不(bú )羁的(🍹)纨绔子弟(💁)成长为一名(míng )坚定的(🔬)抗日战士。