上(🈯)世(🕕)纪五十年(🔨)代,海(✒)外(wài )学子(zǐ )计丹阳归国(guó )(🔼),投身(🕋)国防科研工(🔱)作。抵达香港后陷(xiàn )入(rù )敌(dí )特圈套。公安庞红(hóng )梅(méi )保护计丹阳安(👋)全回到祖国,但(♑)敌特(😎)在香(xiāng )港失(🐿)败后,继(jì )续围绕我方设在泸(lú )门的(✳)“水滴工(🚉)程”,部(bù )署(🛺)了“磐石计划”,由特务(🚸)“雪狼”主持,试图破坏我(⏺)方(fāng )(🚢)科研任务。为保证水(shuǐ )滴(dī )工(⏯)程的顺利开展,以庞红梅为代表的(🙂)公安人(✋)员与敌(dí )特们展(🌞)开数次交锋,但(dàn )每到科研(🍄)的关键(🤷)节点,敌特总能先(xiān )一步(bù )部署破(pò )坏计(jì )划,雪狼仍(🧣)未找到,敌特仍(🤘)在暗中破(pò )坏“水滴工(gōng )程”,庞(páng )红(hóng )梅等众公(🏻)安在(zài )泸(lú )(⛏)门与敌特(🤷)进(🃏)行了(💅)一场(chǎng )生(shēng )死较量(liàng )……