'WithDCIGillMurrayinretirement,ever-ambitiousRachel(SuranneJones)returnsfromherVicesecondmentfiredupandfullofnewideasandinitiatives.She’sgainedvaluableexperienceandreallywantstomakehermarkasshereturnstoSyndicate9’sMurderSquad.Exhilaratedtostepuptotheplate,RachelisexactlywhoJanet(LesleySharp)andtheSquadneedtomoveforwardwithaterrifyingandsinisterInternetcrimeinvestigationofepicscaleandunrelentinghorror.UsingherViceauthorisation,Rachelaccessesadisturbingworldwherepeoplebragaboutcommittingmurderandlaydownthegauntletforthenextvictim.Agameofruthlesslifeordeathdaringdevelops,asScott&Baileyinvestigatemultiplekillerswithhorrifyingandeverlastingconsequences.Theywillbechangedforeverandtheinvestigationwilltakeadevastatingtollontheirprivate,professionalandpersonallives.'ThedramawillbeexecutiveproducedbyNicolaShindler(HappyValley,LastTangoinHalifax,Banana,Cucumber)founderoftheRedProductionCompanyandproducedbyMichaelaEccleston,Red’sHeadofProduction.SuranneJones,whoconceivedtheideaforthedramawithfellowactressSallyLindsay,willalsoexecutiveproducealongsideNicola.SallyLindsayalsoreturnstothedramaplayingRachel’ssisterAlison.5-1RachelstepsuptoactingDIonacasethatbecomesmoresinisterthanitfirstappeared.