Agatha Christie's Poirot

While Poirot investigates the murder of a renowned psychiatrist, crime novelist Ariadne Oliver becomes an amateur sleuth when her goddaughter tasks her to find out the truth behind her parents' mysterious deaths.

As the threat of world war looms large, Poirot seeks the help of friends both old and new when he is pitted against a dangerous group of dissidents responsible for a series of violent murders.

Detective drama. Ariadne Oliver is organising a 'murder hunt' at a summer fete, but calls for Poirot's help when she fears she may become involved in a real crime.

Detective drama. In an effort to recover his confidence after a rare professional failure, Poirot sets off for the Swiss Alps in pursuit of a missing maid.

Last ever episode of the crime drama. Poirot must summon the last of his strength to confront his nemesis as he returns to Styles with Captain Hastings.