"One-Man Show", also titled "A Private View", is later Appleby. Sir John has already been knighted and married, and has worked his way up to the position of Assistant Commissioner at New Scotland Yard. He and his wife, Lady Judith (a sculptress by profession) play equal roles in solving the double mystery of who murdered the young artist, Gavin Limbert, and who stole two very famous paintings from the Duke of Horton's estate.