上世纪五十(shí )年代(dài ),海外学(xué )子(📼)计(jì )(📒)丹阳归国,投身(shēn )国防科研工作。抵达香(🎺)港后陷(xiàn )入敌特圈套。公(gōng )安(ān )庞红梅(méi )保(bǎo )护计(🎾)丹阳安全(⏬)回到(🎏)祖国,但敌特在香(🖲)港失败(🕔)后,继(🎩)续围绕我(🎡)方设(🕯)在泸门的“水滴工(gōng )程”,部署了“磐石计划(huá )”,由特务(wù )“雪狼”主持,试(🐖)图(tú )(🤷)破(🔊)坏我(⏺)方科(kē )研任务。为保(🌚)证(📯)水滴工(gōng )(⏯)程(chéng )(😞)的(🖲)顺利开(💱)展,以庞(🌊)红梅为代(dài )表的公安(ān )人员(🐑)与敌(dí )特们(🤸)展开(kāi )数次交锋,但每到(dào )科研的关键(jiàn )节点,敌特总(zǒng )能先一步部署破坏计划,雪狼仍(réng )未(🤖)找到(dào ),敌特仍在(zài )暗中(zhōng )破坏(huài )“水(shuǐ )(🥊)滴(🍑)工程”,庞红梅等众公安在泸(lú )门与(👪)敌特(tè )(🤷)进(🃏)行了一场生死较量……