督察戴安娜一直安逸於檔案管理的後勤崗位，因緣際會跟元祖級陀槍師姐陳三元、飛虎隊男神蒙漢森合力破案後，被上司韋展超安排加入懸案小組，與一班各有「特色」的警員，在漢森帶領下追查外界不關注的懸案。漢森不滿安娜而互相鬥法，直至揭露安娜因曾被脅持而恐懼用槍，反令二人擦出愛火花！安娜重遇多年前慘遭滅門的補習學生劉達華，他卻加入了黑道……在感情與內疚推動下，安娜能否拿回手槍重新振作，成就新一代的「陀槍師姐」？
督察戴安娜一直安逸於檔案管理的後勤崗位，因緣際會跟元祖級陀槍師姐陳三元、飛虎隊男神蒙漢森合力破案後，被上司韋展超安排加入懸案小組，與一班各有「特色」的警員，在漢森帶領下追查外界不關注的懸案。漢森不滿安娜而互相鬥法，直至揭露安娜因曾被脅持而恐懼用槍，反令二人擦出愛火花！安娜重遇多年前慘遭滅門的補習學生劉達華，他卻加入了黑道……在感情與內疚推動下，安娜能否拿回手槍重新振作，成就新一代的「陀槍師姐」？
The inspector Diana has been eased into the logistics position of the archives management. After the fate will be with the Yuanzu -level Tuo Shun, Chen Sanyuan and the Flying Tigers male god Meng Hansen, they will be arranged to join the suspension team by the boss Wei Zhanchao. Police officers, under the leadership of Hanson to investigate the suspicion of the outside world that did not pay attention. Hansen was dissatisfied with Anna and fought with each other until he revealed that Anna was afraid of using guns because she was threatened, and made the two of them spark! Anna had encountered Liu Dahua, a tutoring student who had been destroyed many years ago, but he joined the underworld ... With the promotion of feelings and guilt, can Anna take back the pistol and rejuvenate and achieve the new generation of "Sister Tuo Gun"?
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