Jessica's redheaded British cousin Emma McGill has her fly over to London to attend her 'funeral' as requested by last will, but actually it's a staged car accident so they can sleuth who is behind three incidents Emma considers but can't prove to be murder attempts, in her view for ownership of her old-fashioned Mayhew music hall, which is in financial trouble but valuable if sold -would be-buyers even awaited Jessica at the airport-, half of the profits would go to her late co-founder's wimpy son Archie Weems and his greedy spouse Violet. Jessica turns to a Scotland Yard friend but as he is on holiday confides in his colleague Inspector Roger Crimmins, who plays along so the suspects can be examined. While they approach Emma's London apartment, Mayhem dresser Bridget O'Hara leaves it and is fatally struck by a fast car, possibly because she was dressed like Emma in a coat promised to her; Emma admits she left a reassuring message to her old friend, has-been Shakespearian actor Oliver Trumbull, father of Mayhew actress Kitty, who is arrested for lying about hearing the answering machine message, but...
—KGF Vissers