抓捕行(háng )动失(shī )败,刑警队(🐽)副队(duì )长周庆东(dōng )英勇牺牲,尸(shī )体不知所终;刑警(jǐng )(🎺)杨(🔧)天明(海一(🐉)天饰)头(tóu )部(🏴)受(🗼)伤。内勤肖(xiāo )耘(陈(chén )瑾(⏬)饰)坚决(jué )要求调到刑警队一(🐿)线(🕔)工(gōng )作(👑),一心(🗄)想要(yào )抓到(🕯)杀(👁)害(🙍)自己丈夫(fū )的凶手(shǒu )。分局(🕌)的(🛺)刘局(🎿)长只好同(tóng )意,但条件是一旦破案,抓到(dào )杀(shā )害周庆东的凶手后,肖耘即返(fǎn )回内勤。