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3 Episodes 1992 - 1992
Episode 1
103 mins
Hastings returns to Britain after a long absence to find Poirot anxious for a new case which will challenge his gray cells. Poirot quickly gets his wish in the form of taunting letters from a serial killer who has dubbed himself ABC and who leaves an ABC railroad schedule at the scene of each crime. The victims as well as the crime scenes appear to be chosen randomly, but maintain an obsessive adherence to alphabetical order. However, Poirot grows to believe that the killer is not the madman the authorities believe, but a methodical murderer with a very tangible motive.

Episode 2
103 mins
After spending a bit of a holiday in Paris, Poirot finds himself on a flight to London with an odd assortment of people, some of whom he had met during his stay. When one of the passengers, Madame Gisele, is murdered during the flight by a poisoned dart, Poirot is asked by Inspector Japp of Scotland Yard to assist with the investigation. Gisele was a well-known moneylender with penchant towards blackmail. When Lady Horbury denies knowing the dead woman - which Poirot knows is false - the police clearly have their prime suspect. Poirot however, sees a far more complex plot to gain access to the victims money.

Episode 3
103 mins
Poirot pays what appears to be a routine visit to Dr. Morley, his dentist, but shortly after he leaves the clinic, the doctor is found dead with a gunshot wound to his temple, an apparent suicide. Poirot suspects foul play, and all those who entered the doctor's offices after Poirot left are suspect. They include Alaistair Blunt, a prominent and very influential bank director, Frank Carter, a young fascist thug with a personal grudge against Morley, Mr. Amberiotis, an enigmatic recent arrival from India suffering from a toothache, and Mabelle Sainsbury-Seale, a charity worker also recently returned from India. When Amberiotis is found dead in his hotel room from an overdose of Novocaine and Sainsbury-Seale disappears, Poirot rightly expands his list of suspects and connects the crime to events that occurred in India 12 years earlier.
