九一八(🍅)事变爆发(fā ),戍边家(jiā )族顾(gù )家抵抗(🍩)日军,惨遭灭(miè )门。顾(gù )(🔱)家(jiā )养女顾雪萤幸(xìng )免于难,前往齐(qí )齐(🔬)哈(hā )尔寻找(🥩)未(wèi )(💤)婚夫顾(gù )(📿)照龙。顾照龙卧(wò )底(🏇)成为伪(😎)满(🚤)军官,顾(🕔)雪萤(👑)以为他已经叛国,为维(wéi )护家(🔲)规,决心(🏐)杀死顾照龙(📞)。顾雪萤(yíng )(🗑)前往千山投奔抗日义(🐶)勇军,并参(cān )加义勇军三打哈尔(ěr )滨(🚣)之役。后义勇军在共产党(❔)领(lǐng )导下(xià )(🌑)改组为东(dōng )北(🥔)抗联(lián )(🗞) ,真正发挥出了战斗力。顾雪萤发(💪)现(⛓)顾家的忠义信条(tiáo ),与共产党的纪律不(💠)谋(👺)而合。她在战场上数度(dù )(🧣)与顾(⚾)照(zhào )龙相(👣)遇(yù )(🗳),却始终没能(💔)手刃对(🍑)方(fāng )。在(zài )一次(🐾)次战(😊)斗中,顾(🐛)雪萤与(🐨)参谋(móu )沈雷志(🌪)渐渐相爱。沈(shěn )雷志被逮捕到(💿)新京,顾雪(xuě )萤潜入营救,发现对手又是顾照龙。抗日战(zhàn )争接近尾(🔎)声,已经得知真相的顾正雪被编入教导旅,与顾照(zhào )龙(lóng )一起打下了东(🐂)宁要(yào )塞,顾(gù )照龙却……