Synopsis

In a London restaurant frequented by Hercule Poirot, he observes a deviation from a familiar order by one of its regulars. News arrives of old Anthony Gascoigne, nearing the end in Brighton, and the sudden death of his estranged twin brother, Henry, who has fallen from a height. Was it merely a tragic accident, or something far more sinister? Poirot begins to perceive subtle links between the events, convinced that the solution to this perplexing case resides in the humble form of a blackberry p