1936年,山(🐽)西董家生产的(🍩)熟铜成(chéng )为(wéi )兵家(jiā )必争的战(zhàn )略物资,日军因此展(zhǎn )开了“樱(yīng )(🍖)花(huā )计划”。董家(😧)二少(shǎo )董守(👋)旺在危机关头劫富济贫,却无意中(zhōng )(🔸)破坏(🎩)了地下党组织(🕯)的购买熟(✳)铜的计(🛹)划。中共地下(xià )党员(🎿)齐颖临危受(🍮)命,想(😻)要通(🖍)过与董(🥀)守旺的同学之谊(💞)完成计划。董(dǒng )守(shǒu )旺因爱(ài )(📯)慕(mù )齐颖而(ér )全力援手(💱),过程(chéng )中却发(fā )现齐颖(🗞)之(zhī )父马其隆等(🏂)人(🙌)与董父之(zhī )(🙄)死(㊙)有直接关(guān )系(xì ),愤怒中行刺却落(👃)入对(duì )方陷阱。齐(qí )颖和(hé )董(⛳)守旺的精神教父关建云冒(mào )着(zhe )生命(👣)危险将其(❕)救出,关(🏉)建(🥊)云因此(🛎)遇(yù )害。董守(shǒu )(😊)旺悲痛(tòng )之(🐛)余放下家(jiā )仇,协助齐颖为抗日先(xiān )遣(qiǎn )(💯)队谋(🔈)取熟(shú )(🙎)铜和枪支弹药。两人(rén )逐渐从(cóng )冤(yuān )家(jiā )到(📸)相依相帮,历经磨难,立下奇(qí )功,最(zuì )终不(bú )得不炸毁(huǐ )(🔫)矿(💣)场(🔥)和兵工厂,宁可(🎐)远离家(jiā )乡(xiāng ),也不做亡国奴。在齐颖(⏺)引导下,董守旺终(zhōng )于从一个放荡不(⛴)羁的纨绔(🈺)子(zǐ )弟成长为一名坚定(dìng )的抗日战士(🐌)。