九一八事变爆发(fā ),戍(✒)边(biān )(🐽)家族顾家抵抗日(rì )军,惨遭灭(miè )(🕟)门。顾家(jiā )养女顾雪萤(🔧)幸免于(🆖)难,前(qián )往齐(qí )齐哈尔寻找未婚(😧)夫顾照龙。顾照(zhào )龙卧底(dǐ )(🏇)成为伪(wěi )满军(🖲)官,顾雪萤以为(wéi )他(tā )已经叛国,为维护家规,决(jué )心(🏐)杀死顾照龙。顾雪萤前往千(qiān )山(🙁)投(tóu )奔抗(🖍)日(rì )(🚑)义(yì )勇军(🕕),并参加义勇军三(🚢)打(dǎ )哈尔滨(bīn )之役(🥁)。后义勇军在共产党(❔)领导下(xià )改组为东北(běi )抗(💻)联 ,真(zhēn )正发(🐑)挥出了战(🤸)斗(🌞)力。顾雪萤发现(⛓)顾家的忠(🍄)义信条,与共产党的纪律(😍)不(bú )谋(móu )而(⛳)合。她在战场上数(🚴)度与顾(gù )(⚾)照龙(lóng )相遇,却始终(zhōng )没能手刃(rèn )对方(👊)。在一(🚗)次次(cì )(🦇)战斗(dòu )中(zhōng ),顾雪萤与参谋(móu )沈(🤷)雷(léi )(🃏)志渐渐相爱(💹)。沈雷志被逮捕到新京,顾雪萤潜入营救(jiù ),发现对手(shǒu )又(🔷)是顾照龙。抗日(🏃)战争接(jiē )(🚲)近尾声,已(🌱)经得(dé )知(zhī )真相的顾正(zhèng )雪被编入(🏓)教导(dǎo )旅(lǚ ),与顾照龙一(🎦)起打下了(le )东(dōng )(🐂)宁要塞,顾照龙却…(📬)…