1937年(nián ),热河人佟家儒(杨志刚(🍩)饰)背井离(😘)乡在上海聂中(zhōng )丞(🤴)中学教国(guó )文(wén ),养女(nǚ )囡囡(nān )成(🍖)了残疾(jí ),本(🥩)想再(zài )次南逃的他(tā )(⏬)被迫留下。目睹侵略者残害同胞,他忍气吞声(🎡)只求保(bǎo )住性命。学生欧阳((🚥)张家溢饰)为国(guó )(🥞)效力,急需助(😻)手,佟家(jiā )儒硬(yìng )着(🤯)头皮帮忙(🔊)。欧阳牺牲(📎),佟家儒暴露被日本特务(wù )(🖲)东村(cūn )盯上,他巧妙周旋完(💻)成任务同时(shí )摆脱了嫌(xián )疑。欧阳(㊙)上司杨逍(💪)被抓,佟(🈴)家(jiā )儒将他(🤷)救出。妻(qī )子栀子(⛳)刚生下儿子希望,却因保护杨逍被杀(🕯)。半年中(zhōng )四(sì )(🈁)个参(cān )与杀(shā )(💔)害栀(zhī )(🥊)子的凶(xiōng )手(shǒu )均(🚗)被佟(🦇)家(jiā )儒杀死且(qiě )不露马(🐨)脚。东村(🃏)苦(🌪)于没有(yǒu )证(💹)据,试(shì )图用残(cán )酷(🙎)的刑具逼(🈺)佟认(rèn )罪。共(🤥)产(⏲)党(dǎng )人组织(💏)教(jiāo )师、学生游行,营救(🏃)了佟家(jiā )儒。三年后,佟家儒(🖍)拿自己当(dāng )诱饵(ěr ),帮助(🚽)国(guó )共两(liǎng )党(dǎng )的(🕕)同志(zhì )们联(📤)合除了日(🐂)本特(🛃)务基地。日寇投降(✖),东(dōng )村不甘失(shī )败(🍹)绑架希望,逼(⏺)佟家(🔮)儒与其决斗。战友们制服东村,营救(jiù )希望(wàng )。东(dōng )村大骂佟是懦夫,佟(🚓)家儒告诉他(tā )(🔍):“对待侵略者,中国人都有一颗(🏗)勇(yǒng )敢的心。