VanJohnsonplaysablindAmericanwriterwhoisrentinganapartmentonBakerStreetwhileinLondonfortheopeningofhisnewplay.Afterarowwithhisformerfiancée(VeraMiles),hedecampstothelocalpubtodrownhisself-pitywithadrink.There,hisacutehearingpicksuphushedsnatchesofconversationfromthenextbooth.Convincedthatakidnapplotisintheoffing,herushestothepolice,whoarepolitebutrefusetobelievehim.However,JohnsonknowswhatheheardistrueandengagesthehelpofVeraandCecilParker,hissecretary,tofindthekidnappersandsavetheunknownvictim.Thisterrificsuspensefilmtakesinterestingchanceswiththegenre.Johnson’scharacterisastudyinfrustration,aportraitofamaninvestigatingsomethingheknowsexistsbutcannotsee.Thedirectionbuildstensionwellandissupportedbyafinemusicalbackgroundwhichheightensthemood.23PacestoBakerStreetwasoneofseveral20thCentury-FoxfilmsshotonlocationinLondontotakeadvantageofFox’s"frozenfunds"--moneyearnedbythestudioinEnglandwhichbylawcouldonlybespentinthatcountry.

范·约翰逊饰演一位美国盲人作家，他在伦敦的贝克街租了一套公寓，准备开演他的新剧。他和前未婚妻（维拉·迈尔斯饰）吵了一架后，便潜入当地的一家酒吧，喝了一杯，以掩盖自己的自怜。在那里，他敏锐的听觉捕捉到了下一个电话亭里无声的谈话片段。他深信绑架阴谋即将发生，便迅速向警察求助，警察彬彬 有礼，但拒绝相信他。然而，约翰逊知道他所听到的是真实的，他让维拉和他的秘书塞西尔帕克帮助他找到绑匪并拯救未知的受害者。