一对老夫妻为了复活自己的外孙，于是绑架孕妇，尝试执行恶魔仪式，让孙子通过孕妇未出世的孩子复活，结果随着警察的调查和超自然事件的发生，导致事情逐渐失去老夫妻的控制bbb

bbbSeasonfiveofMurdochMysteriesopensinunfamiliarterritory,asDetectiveWilliamMurdoch(YannickBisson)leavesTorontototryhisluckwhiletheKlondikeGoldRushintheYukonwindsdown.Suspendedforinterferinginaninvestigation,ontherunforsurreptitiouslyfreeingamurderertomakeamends,andnursingabrokenheartafterDr.Ogden'smarriagetoanotherman,hetriestoescapehispast,andhispassionfordetectivework.Backinthecity,newlypromotedChiefConstableGiles(NigelBennett)makesitcleartoInspectorThomasBrackenreid(ThomasCraig),thathe'llbekeepingaverycloseeyeonpolicematters.Meanwhile,Murdoch'sbelovedformerassociate,Dr.JuliaOgden(HélèneJoy),isnowworkingalongsideActingDetectiveGeorgeCrabtree(JonnyHarris)andDr.EmilyGrace(GeorginaReilly),afeistyyoungprotégé.Intheremotenorth,Murdochispleasedtodiscoverthathisfledglingprospectingcareermaygarnergreatsuccess,asmallcomfortafterJulia'smarriagetoanotherman.Butashetriestorebuildhislife,hefindshimselfdrawnintothecaseofMrs.ElizabethBryant(JillHalfpenny),aninnkeeperchargedwithmurder.TheplotthickenswhenwriterJackLondon(AaronAshmore)lendshisinsights,andMurdochsoonrealizesthatwhilehehadhopedtoleavehisshatteredheartandtatteredcareerbackinToronto,hisdaysasadetectivearenotbehindhim.

bbbMurdochisinBristol,England,withnomemoryofwhoheisandtwogunmenchasinghimthroughthestreets.WiththehelpofalocalpubLandladyhestartstopiecetogetheranassassinationplot.InTorontoDetectiveHamishSloackisassignedtohelpfindthemissingMurdoch.

aaaMurdochandInspectorBrackenreidareaboardtheSSKeewatinaftertheowner,ClarenceMacFarlane,receiveswhathebelievesisathreat.TheKeewatinisabouttodepartfromTorontoonitsmaidenvoyagedestinedforRochester,N.Y.andMurdochthinkstheyshouldstayonboard,especiallyafterheseesthatJuliaisoneoftheinvitedguests.TheirpresenceprovesusefulafterMacFarlane'sdaughterAmy,whoisengagedtoherfather'schieffinancialofficerOwenMathers,fallsoverboardandisnowheretobefound.AsMurdochinvestigateshefindsthereisarealthreatagainsttheKeewatinandthetruefactsbehindAmy'sdisappearance.

dddDetectiveMurdochfindsthatthemanbehindaflyingmachinethatcrashesinTorontoisnoneotherthanhisoldnemesis,JamesPendrick.HelearnsthatPendrickishopingtowina$1millionprizeforthefirstcontrolledflight.Abodyisfoundintherubbleofthecrashbutsomeoneisclearlyouttostealhisinvention.MurdochalsohastodealwithOttawa-basedspymasterTerenceMeyerswhosaysit'sallanationalsecuritymatter.Meanwhile,JuliareturnsfromViennaintentonpracticingpsychiatry.She'salsohopingtohavehermarriagetoD'Arcyannulled.