《北郊歌曲》黑帮「福和」的丁卓飞(谢天华 饰)与反黑队督察段一凡(周柏豪 饰)是双方安插对方阵营的卧底 丁卓飞在「福和」做了十年卧底为了掩饰真实身份他比别人更加心狠手辣亦因此渐渐接近核心但亲手拷问同袍看著他们惨死令丁卓飞开始厌倦这没有尽头的卧底工作…… 另一边段一凡在反黑组步步高升更有望成为最年轻的总督察事业爱情皆美满的段一凡开始渴望做一个真真正正的警察他处心积虑想摆脱宋先生(陈启泰 饰)和他背后的「东利贸易」…一次「福和」及「东利」的毒品交易原来是「福和」话事人找出双方叛徒的骗局一黑一白两个警察各自为自己的正义之途走上你死我亡的对峙局面……..一晚夜深时份梁志迪把他睡梦的哥哥杀死带着无比怨愤与仇恨当警察把他逮捕时他嘴里还喃喃自语:他是抵死的……梁志初与梁志迪是一对同被收养的兄弟然而阿初天性凶残顽劣自幼就欺凌弟弟且对养父母不敬相反阿迪勤力工作孝顺双亲但当阿初出现在他们家里时自然会带来暴戾与争吵阿初曾经毒打妻子意图把三岁的女儿抛落街终于因贩毒被判入狱出狱后又为梁家带来灾难终于激发起弑兄的决心一家表面富丽堂皇的高档酒店实则是一座灵异事件频发的恐怖凶宅接连发生了几起离奇的命案富豪老板暴死在酒店浴缸内可现场却找不到任何杀手的痕迹是某种灵异力量还是另有隐情随着案件的层层深入不仅背后疑雾重重更引发了主人公来自灵魂深处的拷问......Britain’smostnotoriousserialkiller,DennisNilsen,confessedtokilling15peoplein1983.Overafive-yearperiod,hepickedupvulnerableyoungmen,luredthembacktohishomeandstrangledthem,beforedisposingoftheirbodiesunderthefloorboards.Thetruthabouthowandwhyhekilledhasbeenthesubjectofmuchspeculationinbooksanddocumentariesoverthedecadessince.Now,withuniqueaccesstoawealthofpersonalarchiveleftinhiscellafterhisdeath,includingover250hoursofnever-before-publishedcassettetapesofhisprivaterecordings,thisfilmwilltakeusintoNilsen’sworld.FromayoungboygrowingupinaquietScottishfishingvillagetoacold-bloodedmurdererprowlingthestreetsofLondon.Setagainstthebackdropof1980sBritain,whenmassunemploymentdrewyoungmentoLondoninsearchoftheirfortunes,onlytofindthemselvesdestituteandeasyprey,andweavingtogetherinterviewsfrompolice,journalists,survivors,bereavedfamilies,and-forthefirsttime-thekiller’sownvoice,thisfeaturelengthdocumentaryexploreshowNilsenwasabletogetawaywithmultiplemurdersandattacks,unchallenged,forfiveyears....