上世纪五十年代,海外学子计丹阳归国,投身(shēn )(🕸)国防科研(yán )工作(zuò )。抵达香(xiāng )港后(🥈)陷入敌特(tè )圈套(tào )。公安庞(💤)红梅保(bǎo )护计(jì )丹(dān )(⏬)阳(yáng )安全(❣)回到(🏇)祖国,但敌(🖲)特(tè )(⚫)在(🐿)香(🕔)港失败后,继续围绕我方设(shè )在泸门的“水滴工程(🕌)”,部署了(🥞)“磐(pán )石(🍮)计(jì )划(🙁)”,由特务“雪(🕕)狼”主持,试(💞)图破坏我(wǒ )方(fāng )科研(yán )任务。为保证水滴工程的顺(🦗)利开展(zhǎn )(🌊),以庞红(💻)梅为代表(🔝)的公安(ān )人员(yuán )与敌特(tè )们(men )展(👓)开数次交(⛓)锋,但每到(dào )(⛏)科研的关键节点,敌特总能先一步(🤳)部署(🥕)破坏(🐀)计(jì )划,雪狼(⚾)仍未找到,敌(🈁)特(❕)仍在暗(àn )中破(pò )坏“水(shuǐ )滴工程”,庞红梅等众公安在(zài )泸门与敌(dí )特进行(🚶)了一场生死较量……(💿) (🐡) 而在保(🔍)护专家组的过(guò )程(chéng )中(📸),庞红(👵)梅、计丹阳、厂(chǎng )医(yī )院(yuàn )护士白卉三人逐渐(jiàn )(🆙)了解,成(🔥)为好(🌸)友。当(dāng )庞红梅开始怀疑白卉(huì )父亲(qīn )中医白(bái )铭汉的身份(fèn )时,他们的(de )(✖)友情(💑)又该何(🚤)去何从(cóng )?