A dangerous collaboration

Lured by the promise of a rare and elusive butterfly, the intrepid Veronica Speedwell is persuaded by Lord Templeton-Vane, the brother of her colleague Stoker, to pose as his fiancée at a house party on a Cornish isle owned by his oldest friend, Malcolm Romilly. But Veronica soon learns that one question hangs over the party: What happened to Rosamund? Three years ago, Malcolm Romilly's bride vanished on their wedding day, and no trace of her ha...