It is 1949. Sir Francis Sherwood - WW1 hero, landowner, magistrate - is shot dead while standing at an open bedroom window in his country house. A rifle is found in the grounds. The county police seek help from Scotland Yard. Detective Chief Inspector Bryce and Detective Sergeant Haig are assigned to the case. The first difficulty for the Yard men is that nobody with even a mild dislike of Sherwood can be found. But before that problem...