The theft of the diamond necklace and the antique pistols might all be explained, but the body in the lake – that really was a puzzle. ‘Don’t expect me to solve anything,’ Inspector Wilkens announced modestly when he arrived to sort out the unpleasantness. And at a gathering that included English aristocracy, foreign agents in disguise, a ravishing baroness, a daring jewel thief, a Texan millionaire and, of course, the imperturbable butler, it was going to take some intricate sleuthing to uncover who killed whom and why.