1937年(nián ),热(rè )(🆓)河人(rén )佟家儒(杨志(zhì )刚饰)背(🃏)井离(lí )乡(🕟)在上海(🔱)聂中丞中学教国(guó )(🎗)文(🎹),养女囡(nān )囡成了残(cán )(🏴)疾(🗼),本想再次(🎾)南逃(táo )(🌫)的他被迫留(❣)下。目(♑)睹侵略(luè )者(zhě )残(⚫)害同胞,他忍(rěn )气(qì )吞声(🎡)只求保住性命。学生(🛹)欧阳(张家(jiā )(🕌)溢(yì )饰)为国(guó )效力,急需(xū )(🙁)助手,佟家儒硬着头(😱)皮帮(🤷)忙。欧(ōu )阳牺牲,佟(tóng )家儒暴(🌚)露(lù )被日本特务(wù )东村(❔)盯上(shàng ),他巧妙周旋完(wán )(💻)成任(rèn )务(📙)同(tóng )时(shí )摆脱了嫌疑。欧阳上司杨逍被(⛓)抓(🎾),佟(tóng )(🈴)家儒将他救(jiù )出(chū )。妻子栀(🕙)子刚生下(xià )儿(ér )子(🏯)希望,却因保护杨逍被杀(🕯)。半年中四个参与(💹)杀害栀子的(👊)凶(🛎)手(shǒu )均(jun1 )被佟家儒(🈸)杀(shā )死且不(bú )露马脚(👪)。东(🤷)村(cūn )苦于(💅)没(méi )有证据,试图用残(cán )(🏒)酷的刑具逼佟(tóng )认罪。共(🤥)产(chǎn )党(dǎng )人组织教(jiāo )师、学(👵)生游行,营(yíng )救了佟家儒。三年后,佟家儒(🖍)拿自己当(🚡)诱饵,帮助国共(gòng )两党的同志们联合除(🍺)了日本特务基(jī )地(dì )。日寇投降,东(dōng )村(🎴)不(😉)甘失败(🍹)绑架希望,逼佟家儒与(yǔ )其决斗。战(zhàn )友们制(zhì )服(🐌)东村,营(yíng )救希望。东(✒)村大骂佟是懦夫,佟家儒告诉(👆)他:“对待侵略(luè )者,中国(guó )(🏖)人都(dōu )有一颗勇敢的(de )心。