1936年(👷),山西董家生产的熟铜(tóng )成(chéng )为兵家(🃏)必争的战略(🛍)物(wù )资,日军(jun1 )(🍥)因此展开(🎹)了(le )“樱(🐉)花计划”。董(🗼)家二少董守(shǒu )(🎾)旺(wàng )在危(👋)机关(guān )(🎲)头劫富济贫,却无意中破坏(🕔)了地下(xià )党组(🗄)织的购买熟铜的(💆)计(✳)划。中共地下党员齐颖临危受命(🗑),想要通(🙁)过与董(dǒng )守旺(🐶)的同学之谊完(wán )成计(💞)划。董守旺因(yīn )(🚣)爱慕(mù )齐(🌚)颖(📯)而全力援手,过(❔)程中(zhōng )却发(fā )现(xiàn )齐颖之(zhī )父马其隆等人与董父之死有(🌞)直接关系,愤怒(nù )中(🎾)行(háng )刺(cì )却落入对(duì )(🤷)方(👃)陷阱。齐颖和董(😍)守旺的精(jīng )神(shén )教父关建云冒(mào )(🚴)着生命(mìng )危险(xiǎn )将其救出,关建云因(🏉)此遇害。董守旺悲痛之(🈸)余(➡)放(🏻)下家仇(chóu ),协(xié )助(🥋)齐颖(🃏)为抗(💅)日先(xiān )遣(qiǎn )队谋取熟铜和枪支弹药。两人(rén )逐渐从冤家(jiā )(📛)到(dào )相(👌)依相(xiàng )帮,历经磨难,立(lì )下奇(qí )功,最(zuì )终不(bú )得不炸毁(huǐ )矿场和兵工厂(🚡),宁可远(🏓)离家乡,也不(bú )做亡(👗)国(guó )奴。在齐颖引导下,董守(shǒu )旺终(❓)于从一个放(fàng )荡不(🚤)羁的纨(wán )绔子弟成长(⏺)为一名坚(🈳)定的抗日战士。