GeorgeHarveyBoneisacomposerinearly20thcenturyLondon,whoisunderstressbecauseheiswritingapianoconcerto.Duetothisstress,hegetsblackoutswheneverhehearsdissonances.Whenhefindshimselfaftertheblackoutinadifferentquarterofthetown,hereturnshome,toreadinthepaperthatsomebodyinthatquarterwasmurdered.AskinghelpfromadoctoratScotlandYardheisassuredthathehasnothingtodowithit,butheisadvisedtocutbackinhisworkandgetsomerelaxationlikeother,ordinarypeople.AtacheapmusicalhemeetsNetta,asinger,whoinspireshimforanewmotiveforhisconcerto.ButNettadiscoversthatthismotivecouldalsobeusedasasongforher.Thesonggetssold,andshehangsaroundGeorgetogetmoresongsoutofhim.GeorgebelievesthatNettaisinlovewithhim,andgetsinanargumentwithhisgirlfriendBarbara,thedaughterofLordHenry,whowantstheconcertoforoneofhissouares.Georgehasanotherblackout,...