九一八事变爆发,戍边家(jiā )族顾家抵抗日军,惨遭(zāo )灭(miè )门。顾家养女(🤴)顾(gù )雪萤幸免于(🆖)难,前往齐齐(qí )哈尔寻找未婚夫顾(gù )照(🌫)龙。顾(gù )照龙卧底(🏇)成为伪满军官,顾雪萤以(yǐ )为他已经叛国,为(🙍)维护(hù )(✳)家规,决(jué )心(xīn )杀死顾照(zhào )龙。顾(🎫)雪萤前往(wǎng )千(qiān )山(🙁)投奔抗日义勇军,并参(🐖)加(🤷)义勇军(jun1 )(⏺)三打哈尔滨之役。后义勇军在(😞)共产党(dǎng )领(lǐng )导下(xià )改(gǎi )(🎛)组为(wéi )(㊗)东北抗联(🗞) ,真正(✋)发挥(huī )出了战(🤸)斗力(🙄)。顾雪萤发现(⛓)顾家的忠义信条(tiáo ),与共(gòng )产党(🤲)的(de )纪律不(bú )(💠)谋而合(hé )。她在战(zhàn )场上数度与(🤖)顾照龙相遇,却始终(💝)没能手刃对方(👊)。在(zài )一次次(cì )战(😊)斗(🈸)中,顾雪(xuě )萤(⛏)与参谋(móu )沈雷志渐渐相爱。沈雷志(😝)被逮(🏒)捕到新京,顾雪(📧)萤潜(qián )(😙)入营(yíng )救,发现(xiàn )对手又是顾照(💸)龙。抗日战争接(jiē )近尾(🔎)声(shēng )(🌂),已(🌱)经得知真(🖍)相的顾正雪被编入(rù )(🏓)教导旅(lǚ ),与顾(gù )照龙一起打下了东宁要(yào )(🛃)塞,顾(🧘)照龙(lóng )却(❓)……