NewYorkprivatedetectiveDuncanMacMacLainisblindbuthaskeenlydevelopedallhisothersenses.HepursueshisworkassistedbyhisfaithfulguidedogFriday,hisbutler,Alistair,andhisassistant,Marty.RetiredactressNormaLawry,anoldfriend,comestoMacseekingadvice.Herheadstrong17-year-oldstep-daughterBarbara,herselfapromisingactress,isenamoredwithherleadingmaninasmalltheaterproduction,themucholderLotharioPaulGerente.Paul,whohadoncebeenNorma'slover,hasconvincedBarbarathatNormaactuallywantsPaulforherselfandhasonlymarriedherfatherStephenforhismoney.AtMac'surging,NormatriedtoreasonwithPaul,butheinsiststhathelovesBarbaraandlaughsheroff.BarbaraisequallydisdainfulofherandagreestomeetPaulfordinnerthatnightathisapartment. Norma'shusbandStephenLawryisascientistleavingthatnightonatriptotestasecretinventiononwhichhehasbeenworkingforthegovernmentandthewareffort.WorriedaboutBarbara,sheusesapretextnottoaccompanyStephenandgoestotheapartment.WhenBarbaraarrives,shefindsPaul'sdeadbodyandthinksthatNormahaskilledhim,eventhoughNormainsiststhathewasdeadwhenshearrived.BarbarathreatenstocallthepoliceunlesssheleavesStephen.Fearingthatascandalwillhurthim,Normaagrees.NormathenturnstoMac,whogoestoPaul'sapartmentwithFridayandMarty,onlytofindthebodyandtherugunderitmissing.AmanarrivestoreplacetherugandMachidesinacloset,overhearingatelephonecalltoNorma'snumberfromGabrieltoVera.Macaccidentallygiveshimselfaway,butwithFriday'shelpoverpowersGabriel,whorefusestotalk.MachasMartyhidehimtokeephimunderwraps. Normareturnstohercountryhomeunexpectedly,whichdiscouragesanespionageringthatincludesherbutler,Hansen,frombreakingintoStephen'ssafeandstealinghisplans.TheyhavekilledGerente,whowasalsoanagent,andhiddenthebody.MacarriveswithFridayatNorma'shouseandpretendstobehercurmudgeonlyUncleMacwhohascomeforavisit.HisblindnesslullsanysuspicionsHansenmighthaveabouthim.Shortlythereafter,Barbaracomeshomefromanemergencyrehearsal,calledtogetheroutofthehousebyherdirector,CheliScott,whoinveiglesaninvitationtospendthenightattheLawryhome.UnknowntoBarbaraandNorma,Cheliistheringleaderofthespies.CheliorderedPaulkilledbecausehisaffectionforBarbarawasbeginningtolimithiseffectiveness,andsheimmediatelysuspectsMacisnotwhatheseems. Gabriel'swifeVera,theLawrys'maid,isalsoapartoftheplot.WhenGabrieldoesnotreturnhome,Verabecomeshystericalwithworry.MacsecretlyasksVeratomeethiminthegreenhouse,usingherworryaboutGabrielasalure.Sheisobservedbytheothers,however,andiskilledbyHansenbeforeshecanreachMac.Thespiescutthehouse'stelephonewiressothatMacandNormacannotcallthepolice,andChelihasMaclockedupunderguard.Usinghisblindnessasadistraction,MacoverpowershisguardandreleasesFridayoutawindowwithinstructionstogohomeandgetMarty.StephenarriveshomeandChelithreatenshisfamilyifhedoesnotgiveherthefinalstepincreatinghisinvention,whichwasnotinthesafe.BarbarafinallyrealizeshowmuchNormaactuallycaresforher.Mactriestostallfortime,butislockedinthecellar.WhenHansengoestokillhim,Machasbrokenthelightbulbandhisadvantageoftotaldarknesshelpshimovercomethespy.MartyandFridayreturnwiththepolice.WhenFridayisspottedbyalookout,MacoverpowershimandissavedfrombeingshotbyanotherlookoutbyFriday.Afterthespiesarecaptured,StephenandNormaareofftoWashington,D.C.,withBarbararemainingbehindtocareforhernewUncleMac.
林嘉欣,卫诗雅,刘俊谦,蔡思韵,黄又南,朱栢康,朱鉴然,胡子彤
姜皓文,朱柏谦,陈湛文,柯炜林,何颖璇,林千渟,卢慧敏,周祉君,吴凤鸣,张凯娸,张满源,黃錠江