1937年,热河人佟家(jiā )(🥇)儒(杨志(zhì )刚饰)背井离乡在(zài )(🕸)上(shàng )海聂中(🤢)丞中学(xué )(🎺)教国文(🎹),养女(🐉)囡囡成(chéng )了残疾,本(běn )想(xiǎng )再次南逃(🌫)的他(⏬)被(🎲)迫留下。目睹侵(😎)略者残害同胞,他忍(rěn )气吞声(🎡)只(🕖)求保(👁)住性(xìng )命。学生欧(🚉)阳((🚥)张家溢(yì )饰)为国效力(lì ),急需助(zhù )手,佟家(jiā )儒硬着头皮帮(bāng )忙。欧阳牺(xī )牲,佟家儒暴露(lù )被日本(běn )特务东村(❔)盯上,他巧(🌊)妙周旋(🥔)完成任务同(🔝)时摆(bǎi )(🐑)脱了嫌疑。欧阳上司杨逍(xiāo )被抓,佟家儒将他救出。妻子栀子刚生下儿子希望,却(què )因保(🧟)护杨(yáng )逍(🤖)被杀(🕯)。半年中(zhōng )四个参与杀(💔)害栀(🥊)子的凶手(shǒu )均被佟(🦇)家儒杀(shā )(➡)死且(qiě )不(🌹)露马(mǎ )脚(👪)。东(🤷)村(cūn )苦于没(méi )有证据,试图用(🔈)残酷的刑(🎥)具逼佟认罪。共产党(📛)人(rén )(🔤)组(👌)织教师、学生游(yóu )(💸)行,营救了佟家(jiā )儒。三(sān )(🌂)年后,佟家(jiā )儒拿自己(🔥)当诱饵,帮助国共(gòng )两党(dǎng )的同志(zhì )们联合除了日本(běn )特务(⏺)基地。日寇投降,东(dōng )村不甘失败绑架(jià )(🏸)希望(wàng ),逼佟家儒与其决斗。战(zhàn )友们(men )制服(🐌)东村(cūn ),营(yíng )救希(🐅)望(wàng )。东村(💨)大(dà )骂佟(tóng )是懦夫(fū ),佟(🚓)家(jiā )儒告(gào )(♊)诉他(tā ):“对(🗒)待侵略(🌒)者,中(⛎)国(guó )人都有一(🕌)颗勇敢的心。