Onaleaveofabsencefromthepoliceforce,LutherislayinglowinarundowncottageontheedgeofEnglandbutavisitfromhisoldcolleaguesattheMetbringsashockingpieceofnewsthatdrawshimbacktoLondoninsearchofthetruth.Meanwhile,agruesomeserialkillerhasstruckthecity.Withatrailofcluesleadingfromonecrimescenetothenext,Schenkandhisteammustworkout…