海(hǎi )洲市公安局长遭(⛲)遇(yù )枪击(jī )昏迷不(🏽)醒,原省公安厅刑(🕟)侦处处长田丰临危(🎺)受命,空(🆖)降海(hǎi )洲任代(dài )理局(jú )长之(🐮)职(🥩),在(zài )副局长胡克艰(jiān )和(🎏)刑(xíng )警队(duì )长赵梦楠配合下(🐿)对冉江(jiāng )(👑)案展开(🗄)全面调查。此(🙍)时,神秘(mì )杀(shā )手再次现身(🕌)医(🛺)院,试(shì )图接近冉(🍮)江。在调(🚸)查(chá )杀(shā )(🚑)手的过程中,又一位知名企业家(jiā )遇(yù )害,俩(🌚)家(📯)涉黑KTV的领(lǐng )(❔)班杜大(dà )浩走(🌊)入(rù )警方视线,成(📙)为最大嫌(xián )疑人。同时,几(👓)次大(🙉)的(💪)扫黑行动也因(⛏)泄(xiè )密而失败,警局内部潜伏着黑(🏯)帮卧底,警(jǐng )察也收到(dào )(🤖)来(lái )自(zì )黑帮(bāng )的重要线报。一场关(🥊)于卧底(🛎)与反卧底的(de )盘查在(zài )警局和(⛏)黑帮内部展开,究竟(🚶)谁是卧底(dǐ )?黑白之争、正邪之(🤔)战,又将何去何从?