VanJohnsonplaysablindAmericanwriterwhoisrentinganapartmentonBakerStreetwhileinLondonfortheopeningofhisnewplay.Afterarowwithhisformerfiancée(VeraMiles), hedecampstothelocalpubtodrownhisself-pitywithadrink.There, hisacutehearingpicksuphushedsnatchesofconversationfromthenextbooth.Convincedthatakidnappl...