1937年(👷),热(rè )河人(✒)佟家(jiā )(🥇)儒(杨(yáng )(🏽)志刚饰)背井离乡在上海(hǎi )聂(niè )(🕰)中丞中学(xué )教国(guó )(🎗)文,养女(🐉)囡(nān )(🛤)囡(🌰)成(chéng )了残疾,本想再次南(nán )逃的他被(bèi )迫留下。目睹(📼)侵略者残(⚫)害同胞(bāo ),他忍(🤷)气吞声(🎡)只求(qiú )保住性命(mìng )(✳)。学生欧阳(张家溢饰)为国效(xiào )力,急需助(😻)手,佟家儒硬着头皮帮(bāng )忙。欧阳(yáng )牺牲,佟(tóng )家(jiā )儒(🥁)暴露被日本(⏯)特务东(🔢)村(❔)盯上,他(🎛)巧妙(㊗)周旋完成任(🙂)务(wù )同(tóng )时摆脱(tuō )了嫌疑(🤸)。欧阳上司杨逍被抓(🎾),佟家儒将(jiāng )他(tā )救(👃)出。妻子栀(🕙)子(zǐ )(⛳)刚(gāng )生(💠)下儿(⛳)子希望,却(🕐)因保护杨逍被杀。半(👣)年中(zhōng )四个参(cān )与杀害栀子(🍑)的凶手均被佟家儒杀死且不(bú )露(⛏)马脚。东(🤷)村苦于没有证据,试图用(yòng )残酷的刑具逼佟(tóng )(🤔)认(rèn )罪(zuì )。共产(⏲)党人组织教师、学生游(💸)行,营(yíng )救(jiù )了佟家儒。三年后(🌱),佟家儒拿自己当诱饵,帮(bāng )助国共两(🔲)党的(de )同(😳)志们联合除(🍺)了日本特务基地(dì )。日寇投降,东(💑)村不(bú )(😉)甘失(shī )败绑架(🏸)希望,逼佟家(🔮)儒与其决(jué )斗(dòu )。战友们(🈂)制服(fú )东村,营救希(xī )望。东(dōng )村大骂佟(🛃)是懦夫,佟家儒告诉(👆)他:(🏗)“对待侵略者,中(zhōng )国人都有(yǒu )一颗(kē )勇敢的心。