“七(🕕)七事(🌠)变”后,国共两党(📼)摒弃(qì )前嫌共(gòng )同抗战。李(🕟)德明(贾(jiǎ )一(yī )平 饰)因(yīn )未婚妻共党身份受(🔬)牵连,被川(💤)军列为(wéi )共党嫌疑犯,团(🌗)长林修然(周明汕 饰(shì ))为(wéi )让外甥李德明(míng )(🕯)参加抗战,用尽了无(🏐)所不及(jí )(🕌)的手(shǒu )段(duàn )。靠上(shàng )峰关系插进(😻)部队的李德(dé )眀引起(😱)众怒,他只好用(yòng )(🌙)行动证(🚣)明自己不是(🚨)孬(nāo )种,抯任(🔢)了全师的敢(gǎn )死队长,不料首(shǒu )战遭(zāo )日军炮兵猛烈轰击(🙄),损失惨重。带队(⏰)归建的李德(dé )明路(🧤)遇化(🚻)装成日(rì )军的八路(lù )军团长,得(dé )知川(🧟)军早已撤离,他毅然(🤘)加入(❕)了(le )八路军的临(🍑)时(shí )阻击(jī )部(🚗)队(duì )。伏击(🈸)战(zhàn )打完后,他(🐨)仍然(rán )要率川军归(🌼)建,最终返回川军(🏒)总部(💿)。洪湖(hú )整编(biān )后,李德明(míng )升(🔤)仼(👌)独立营长(zhǎng ),随后川军(jun1 )北上山东抗日。在滕县(xiàn )保卫(🐖)战中(zhōng ),他们(🔥)面(miàn )对数倍于己的(🎐)敌(🍁)人,展(zhǎn )开了数日(📤)搏(🚻)死拼(pīn )杀,直致流尽(jìn )(🧘)最后一滴血(✖)......