At Hercule Poirot"s request, the recently widowed Captain Arthur Hastings has returned to Styles Court, the scene of their first investigation many years before. Also arriving to the once-private estate is a mysterious stranger linked to five seemingly unrelated murders. Poirot"s genius at unraveling the intricate workings of the criminal mind tells him victim number six is about to take a fall. But who will it be? The answer is about to lead the great Belgian detective into what may be the most perilous case of his career. And perhaps his last.