1947年(nián )底(dǐ ),东北全境解(jiě )放前夕,四野(yě )某部(🕸)侦察营长燕双鹰(🎺)奉(🔧)命组织一支小分(fèn )队(🍖),潜入(rù )天津市,设(🎾)法(fǎ )搞到守卫天津的国民(mín )党军队作战(⚫)方(fāng )案,绘制军事布防(fáng )图以及兵(bīng )力部署,为(🛹)大军解放天(tiān )津铺(pù )平道(dào )路。燕双鹰(✖)从侦察(🚸)营(🖍)挑选了六名骨干,化(huà )(🔊)装成溃(🚢)逃的国(🧚)民(mín )党散(sàn )兵(bīng )(🌚),混上由营口开(🔢)往(❔)天津的轮(🎛)船(🌊),然而轮船被劫,燕双鹰凭借机智勇(yǒng )(🙄)敢,救出在押(yā )士兵,击毙劫匪,夺回客轮。到(dào )达(😍)天(💠)津后,燕双鹰率领小(xiǎo )分队一(🤖)边(biān )(⚾)暗中绘制(🗳)城防(🈁)图,一边(biān )乔(qiáo )装改(🍑)扮(👊)开起了汽(🐾)车修理(🈸)厂(chǎng ),与当(dāng )地黑帮势力几(jǐ )番争斗,终于(📟)赢得了黑(hēi )帮头子(zǐ )袁文(wén )(🐡)才(cái )的信任(rèn )(🔍),而(ér )掌握(wò )(📛)国民(👌)党军作(🥤)战方案(♌)和兵力部(bù )(🍽)署的作战厅(tīng )长段文宏,正是袁文(🔫)才的把兄(🌸)弟。就在燕双鹰凭准备盗取机密(🚻)文件(jiàn )时,他的身份(🧘)竟然暴露了,最(zuì )终燕(yàn )双鹰凭借智慧,摆脱困境,消灭(miè )敌人,将机密资料(liào )(🐌)送(🐱)给了(💛)大(dà )部队(duì )。