The murder of a media moghul in his country mansion appears to be the result of a gang of would-be thieves being disturbed The robbers are swiftly caught, but escape when they are unexpectedly moved to a different prison Back in Edinburgh, a young solicitor reveals to the press that one of the subjects had left a letter with her some time before the break-in which proves his innocence Jack Parlabane, journo-extraordinaire, is intrigued, but when he approaches the lawyer he discovers someone else is trying to get near her