上世纪五十年代(🆓),海(✒)外学子计丹(dān )阳归国,投身国防科研工(gōng )作。抵达香(🎺)港后(🎗)陷入(🆖)敌特圈(🛤)套。公(gōng )安庞红梅保(💤)护(hù )(😧)计(jì )丹阳安全(quán )回(huí )到祖(zǔ )国(🌗),但(dàn )敌特在香(🖲)港(gǎng )(⚫)失败(bài )后,继续围绕(rào )我方设在泸门(💆)的“水(🥄)滴工(gōng )程”,部署(shǔ )了“磐石计划”,由特(tè )务(wù )(🚸)“雪(🚑)狼”主(🕕)持,试(shì )(🐖)图破坏我方科研任务。为(🥁)保证水滴工(gōng )程的(🖲)顺(shùn )利开展,以庞红梅为代表的公安人员与(yǔ )敌(🙌)特们展(zhǎn )(🌞)开数次交锋,但每到科研的关键节点,敌(dí )(🚻)特总能(néng )先一步部(bù )署(shǔ )破坏计划(huá ),雪(🧟)狼仍(réng )未(wèi )找(⚾)到(dào )(🕯),敌(👣)特仍在暗中破(pò )(💹)坏“水滴工程(chéng )”,庞红梅等(🈸)众(zhòng )公安在泸(⛏)门(🐨)与敌特(tè )进行(háng )了一场生死较量……