NewYorkprivatedetectiveDuncan"Mac"MacLainisblindbuthaskeenlydevelopedallhisothersenses.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'snumberfrom"Gabriel"to"Vera."Macaccidentallygiveshimselfaway,butwithFriday'shelpoverpowersGabriel,whorefusestotalk.MachasMartyhidehimtokeephimunderwraps.
Normareturnstohercountryhomeunexpectedly,whichdiscouragesanespionageringthatincludesherbutler,Hansen,frombreakingintoStephen'ssafeandstealinghisplans.TheyhavekilledGerente,whowasalsoanagent,andhiddenthebody.MacarriveswithFridayatNorma'shouseandpretendstobehercurmudgeonly"UncleMac"whohascomeforavisit.HisblindnesslullsanysuspicionsHansenmighthaveabouthim.Shortlythereafter,Barbaracomeshomefroman"emergencyrehearsal",calledtogetheroutofthehousebyherdirector,CheliScott,whoinveiglesaninvitationtospendthenightattheLawryhome.UnknowntoBarbaraandNorma,Cheliistheringleaderofthespies.CheliorderedPaulkilledbecausehisaffectionforBarbarawasbeginningtolimithiseffectiveness,andsheimmediatelysuspectsMacisnotwhatheseems.
Gabriel'swifeVera,theLawrys'maid,isalsoapartoftheplot.WhenGabrieldoesnotreturnhome,Verabecomeshystericalwithworry.MacsecretlyasksVeratomeethiminthegreenhouse,usingherworryaboutGabrielasalure.Sheisobservedbytheothers,however,andiskilledbyHansenbeforeshecanreachMac.Thespiescutthehouse'stelephonewiressothatMacandNormacannotcallthepolice,andChelihasMaclockedupunderguard.Usinghisblindnessasadistraction,MacoverpowershisguardandreleasesFridayoutawindowwithinstructionsto"gohomeandgetMarty."StephenarriveshomeandChelithreatenshisfamilyifhedoesnotgiveherthefinalstepincreatinghisinvention,whichwasnotinthesafe.BarbarafinallyrealizeshowmuchNormaactuallycaresforher.Mactriestostallfortime,butislockedinthecellar.WhenHansengoestokillhim,Machasbrokenthelightbulbandhisadvantageoftotaldarknesshelpshimovercomethespy.MartyandFridayreturnwiththepolice.WhenFridayisspottedbyalookout,MacoverpowershimandissavedfrombeingshotbyanotherlookoutbyFriday.Afterthespiesarecaptured,StephenandNormaareofftoWashington,D.C.,withBarbararemainingbehindtocareforhernew"UncleMac."
刘谊,黄梓城,王乙竹,李克纯
凯拉·奈特莉,马修·古迪,罗曼·格里芬·戴维斯,莉莉-罗丝·德普,安娜贝拉·沃丽丝,露茜·彭奇,柯尔比·豪威尔-巴普蒂斯特,索佩·迪瑞苏,楚蒂·斯泰勒,霍莉·艾尔德,鲁弗斯·琼斯,吉尔比·格里芬·戴维斯,哈迪·格里芬·戴维斯,Dora Davis,Davida McKenzie
林瑞阳,郑宜芬
金巧巧,刘世龙,陈冠达,陈致宇,王馨慧子
张智霖,陈乔恩,佘诗曼,薛家燕,唐文龙,马海伦,郑欣宜,林颖彤
索菲娅·奥特罗,帕特里夏·洛佩斯·阿奈斯,安·加巴拉因,马切洛·卢比奥,伊兹亚尔·拉兹卡诺,萨拉·科萨尔