『關上(shang)最(zui)后(hou)的門未增刪(shan)櫻花』介紹:記總督察李(li)鐵(tie)柱,接手調查一(yi)(yi)(yi)單有關警(jing)員(yuan)(yuan)與黑社會勾結的案件、目標(biao)人(ren)物是(shi)(shi)重(zhong)案組探長黃振雄(xiong)(xiong)(xiong)與他手下的一(yi)(yi)(yi)班(ban)探員(yuan)(yuan)。雄(xiong)(xiong)(xiong)由于(yu)得到黑社會之(zhi)(zhi)(zhi)助而破不少案件,但亦(yi)收(shou)受(shou)黑社會之(zhi)(zhi)(zhi)利益(yi)而有違(wei)法(fa)紀,李(li)鐵(tie)柱欲(yu)搜集(ji)雄(xiong)(xiong)(xiong)等人(ren)之(zhi)(zhi)(zhi)罪證,但由于(yu)雄(xiong)(xiong)(xiong)亦(yi)是(shi)(shi)干練(lian)之(zhi)(zhi)(zhi)警(jing)務人(ren)員(yuan)(yuan),擅于(yu)隱藏罪證來逃避(bi)法(fa)律(lv)的制裁,所(suo)以(yi)李(li)一(yi)(yi)(yi)時間不能將雄(xiong)(xiong)(xiong)繩(sheng)之(zhi)(zhi)(zhi)于(yu)法(fa)。其后(hou)有新加(jia)入(ru)隊長名昌(chang)加(jia)入(ru)雄(xiong)(xiong)(xiong)的行(xing)列、昌(chang)是(shi)(shi)一(yi)(yi)(yi)個(ge)正直的警(jing)務人(ren)員(yuan)(yuan),雄(xiong)(xiong)(xiong)欲(yu)收(shou)買間失敗,而李(li)亦(yi)乘機利用昌(chang)來搜集(ji)雄(xiong)(xiong)(xiong)之(zhi)(zhi)(zhi)罪證據來拘捕(bu)雄(xiong)(xiong)(xiong),而雄(xiong)(xiong)(xiong)就是(shi)(shi)畏罪自殺。