1937年,热河人佟家儒((📒)杨志刚(gāng )饰)背井离乡在(🕸)上(shàng )海聂中丞中(zhōng )学教国文(wén ),养女囡囡成了残疾,本想再次(🎾)南逃的他被迫(🎏)留(liú )(❣)下。目睹(📼)侵略者残(⚫)害同胞,他(tā )忍(rěn )气(qì )吞声只(🕖)求保(bǎo )住性命。学(xué )生(shēng )(🛹)欧阳(🏐)((🚥)张家溢(yì )饰)(🎿)为(wéi )国效力,急需助手,佟家儒硬着(🤯)头皮帮忙。欧阳牺牲,佟(tóng )(🚣)家儒(rú )暴(bào )露(lù )被日本(běn )(⏯)特务东(dōng )村盯上(🦗),他(tā )巧(🌊)妙周旋(xuán )完成任务(📙)同(🔝)时(✋)摆脱(tuō )了(le )嫌疑。欧阳上司(sī )杨逍(xiāo )被抓,佟家儒(rú )(⛏)将(🥫)他(🤷)救出。妻子栀子(⛳)刚生下儿子希望,却因(🐀)保(bǎo )护杨(🧣)逍被杀。半年中四(🈁)个参与杀害栀子的凶手均(🚗)被佟家儒(rú )杀(➡)死(🏻)且不露马脚。东村苦于(💅)没有证(zhèng )据,试(💯)图用残(🏒)酷(kù )的刑(xíng )具逼佟认罪。共(gòng )产党人组(zǔ )织教(jiāo )师(shī )、学生游行,营救了(le )(🔞)佟(🏴)家儒。三(🌂)年(🔙)后,佟家(🆙)儒拿自己当诱饵,帮助国(guó )共(gòng )两(liǎng )(🔲)党的同志(zhì )们(men )联(📤)合除了(le )(🔪)日(rì )本(👚)特务(⏺)基地。日(🤼)寇投(tóu )降(✖),东村不甘失败绑架(jià )希望,逼佟家儒与其决斗。战(zhàn )友们制服东(dōng )村(🖱),营救希望。东村(cūn )(💨)大骂佟是懦(nuò )夫,佟家儒告诉他:(🏗)“对(duì )待侵略者,中国人都(dōu )有一颗勇敢的(de )心(🈺)。