Agatha Christie's Poirot: The Labours of Hercules

The sleuth falls victim to depression after failing to prevent the murder of a society girl by notorious art thief Marrascaud. His confidence shattered, Poirot eventually returns to work when a lonely chauffeur begs him to find his missing soulmate, the maid of a famous Russian dancer. The investigation takes him to the Swiss Alps, where, against all odds, he stumbles upon a hotel thought to be Marrascaud's hideout - leading to a very personal showdown. The penultimate episode of the long-running detective drama, starring David Suchet, with Simon Callow, Orla Brady, Patrick Ryecart, Nigel Lindsay, Morven Christie, Tom Austen and Rupert Evans