九一(yī )八事变(👷)爆发,戍边家族顾(📒)家抵(🐌)抗(🍩)日军,惨遭灭门。顾(🔱)家(🕰)养女顾雪萤幸免(🎹)于(yú )难,前往齐齐哈(🏴)尔寻找未婚夫顾照(🌫)龙(👋)。顾照龙卧(wò )(🌗)底(🏇)成为伪(😎)满(mǎn )军官,顾雪萤(yíng )以为(wéi )他已经(jīng )叛(pàn )国,为维护家(jiā )规,决心杀死顾照龙。顾雪萤(yíng )前往千山(shān )投奔抗(kàng )日义勇(yǒng )军(🕕),并参加义勇军三(🚢)打(🌙)哈(📎)尔滨之役。后义勇(🛑)军在共产(🔢)党领(lǐng )导下改组为(wéi )东(dōng )北(🥔)抗联(🗞) ,真正发挥出了战(🤸)斗(🌞)力。顾(👓)雪(🙀)萤发现顾家(jiā )的忠义信条,与共产(🚻)党(dǎng )的纪律不谋而合(hé )。她(tā )在(zài )战场(🐀)上数(🚴)度(dù )与顾照龙(lóng )相遇(yù ),却始(❕)终没能手(shǒu )(🏉)刃(🥊)对(duì )方。在一(yī )次次(cì )战(😊)斗(🈸)中,顾雪萤与(🐨)参谋沈雷志(zhì )渐(jiàn )渐相爱。沈雷(léi )志被逮捕(🙎)到新京,顾雪萤潜(😙)入营救,发现(xiàn )(💏)对手又是顾照(zhào )龙(lóng )。抗日战(zhàn )争接近尾(wěi )声(shēng ),已经(jīng )得知真相的顾正雪被编入教导(🎐)旅,与顾照龙一(yī )起打下了(le )(🔪)东宁要(yào )塞,顾(gù )照龙(🤼)却……