1947年(⛲)底,东北(📼)全境解(🐌)放(fàng )前夕,四野某部(bù )侦察营(🕰)长燕(yàn )双鹰奉命组织一支小(xiǎo )分队(🍖),潜(🏴)入天津市,设法搞到守(⏬)卫天(tiān )津(jīn )的国民党(dǎng )(📼)军(😎)队作战方案,绘制(zhì )军(🤷)事布防(🎡)图以及兵(bīng )力部署,为大军(jun1 )解(🚥)放天(tiān )津铺(📞)平(🎿)道路(🥞)。燕(yàn )双鹰从(cóng )侦察(chá )(🚸)营挑选了六名骨干,化装成溃逃(táo )的国民党散兵,混上(shàng )由营(yíng )口(🖲)开往天(tiān )津的轮船(🌊),然而轮船(chuán )被劫,燕双鹰凭(🙌)借机智勇敢,救出(chū )在押士(shì )兵,击毙劫匪(🤷),夺回客轮。到(dào )达天津后,燕双鹰率领小分队(duì )一边暗(🕯)中(zhōng )绘制(zhì )(🗳)城防(🈁)图,一边乔(qiáo )装(zhuāng )改(🍑)扮(bàn )开(kāi )起了汽车修理厂(➡),与(yǔ )当(dāng )地黑帮势力几(jǐ )番争斗,终于赢(🐩)得了黑帮头子袁文才的信任(🔍),而掌握(wò )国民党军作战(zhàn )方案和兵力(🐞)部署(🏃)的(🔞)作(🏴)战厅(tīng )(📐)长(🔎)段文宏,正是(🆙)袁(yuán )文(wén )才(💣)的把兄(xiōng )弟(📞)。就在(🚽)燕双(shuāng )鹰(🔲)凭准(zhǔn )备盗(dào )取机(📤)密文(🍺)件时(🐂),他(🛃)的身份(fèn )竟(💅)然(rán )暴露了,最(zuì )终燕双鹰凭借智慧,摆脱(⏺)困境,消灭敌人(rén ),将机密(mì )资料送(sòng )给了大部队。