Private detecting isn't the sort of game where you can pick your battles. Jack and Trixie have done all kinds of things for all kinds of people, and most of the time you just hope for the best. But when a mystery man is perpared to drop a nice, fat retainer in their laps to drop a client that they never had, it looks like our heroes have finally caught that nice soft case everybody always talks about. But it couldn't really be that simple... could it?