海洲市(shì )公(gōng )安局长遭遇(✒)枪(🐽)击昏迷不(bú )醒(🐌),原省公(🃏)安厅刑侦(🕸)处处长田丰临危受命,空(🆖)降海洲任代(dài )理局长(🗼)之职,在(😧)副局长胡克(⏬)艰和刑(❣)警队长赵(zhào )梦(mèng )楠(nán )配(🖲)合下(xià )对冉(🔸)江案展开全(🛍)面调查。此时(shí )(💆),神秘(🥄)杀手再次(🚥)现(xiàn )身医院,试(shì )图接近冉(🍮)江(jiāng )。在调查杀(shā )手的过程中,又(yòu )一位知名企业家遇(yù )害(🔩),俩家涉黑KTV的领班(bān )杜大浩走入警方(fāng )视线,成为(wéi )最(zuì )大嫌疑(🙌)人。同(tóng )时,几(jǐ )次大的扫黑行(háng )动也因泄密而(ér )失败,警局内部(bù )潜伏(fú )着黑帮卧底(🥕),警察也收到(dào )来自黑(🌮)帮的重(🤘)要线(❕)报。一(yī )场(chǎng )(🏉)关(🥊)于卧底与反卧底(🦇)的盘查在警局(jú )和(hé )黑帮内部展开,究竟谁是卧底?黑(🔈)白之(🙎)争、(🎥)正(zhèng )(🐡)邪之(🤔)战(📧),又将何(⏲)去何从?