The and-then-there-were-none formula for total, sudden death accounts for the unaccountable accidents which overtake John Byers, a wealthy bully, and then his wife, his partner, his partner's wife, his daughter and her fiance. While Lt. Michaels officiates, old Mr. Wetherby, a lawyer, speculates intuitively on the course of fatalities and is undismayed by the return of two of his victims- the culprits.... Again an original flair (The House on the Beach, The Salazar Grant) keeps this surprising, tantalising.