
Hercule Poirot, a famous Belgian detective, who has an impeccable knack for getting embroiled in a mystery, solves crimes along with Captain Hastings and Scotland Yard Chief Inspector James Japp.
The tyrannical patriarch of a dysfunctional but wealthy family summons his adult children for a Christmas reunion, but prior to the holiday his throat is slashed apparently by one of them.
A spate of petty thefts is followed by a series of brutal murders at a student hostel in London.
While Hercule Poirot and Hastings are holidaying in France, a businessman tells Poirot that his life is in danger. The next day he is found stabbed to death on a nearby golf course.
An elderly woman confides to Hercule Poirot that she fears one of her relatives is trying to kill her for her money. He persuades her to disinherit her heirs, but she is murdered anyway.
Hercule Poirot comes out of retirement when his industrialist friend is brutally murdered a short while after a local widow who was suspected of killing her husband commits suicide.
A beautiful actress becomes the prime suspect in the murder of her tyrannical husband - except that she has a cast-iron alibi for the night of the crime.
While Hercule Poirot is on holiday in Iraq, the wife of the head scientist at an archaeological dig confides to him that she is the target of threatening letters.
Hercule Poirot's rehabilitative health retreat on an island resort becomes an even more stimulating mental exercise when a flirtatious film star is found strangled on a nearby beach.
Lucy Crale enlists Hercule Poirot to investigate the 14-year-old murder in which her mother was hanged for poisoning her artist father.
Elinor Carlisle seems to be the obvious murderer of her ailing aunt and the beautiful romantic rival who broke up her engagement, but Hercule Poirot uncovers darker motives.
A wealthy American heiress honeymooning on a Nile cruise ship is stalked by a former friend, whose boyfriend she had stolen before making him her new husband.
Hercule Poirot stumbles on the murder scene of philandering Dr. Christow in a country house as his wife stands next to him with a revolver in her hand.
Hercule Poirot investigates the brutal murder of an American heiress and the theft of a fabulous ruby on the Blue Train between Calais and Nice.
The enigmatic, sinister Mr. Shaitana, one of London's richest men, invites 8 guests, 4 of them possible murderers and 4 'detectives' to his opulent apartment.
When a man disinherits his sole beneficiary and bequeaths his wealth to others just prior to his death, Hercule Poirot is called in to investigate.
A young widow is left in sole possession of her late husband's fortune, her brother who dominates her refuses to let her share it with her in-laws, so they enlist Hercule Poirot to prove her missing first husband might not be dead.
A pair of photographs are the only clues that Hercule Poirot has to solve the murder of a village charwoman, and to prove the innocence of the victim's lodger.
A foreign revolution, a kidnapped princess, and a trove of priceless rubies are linked to a prestigious girls' school, where staff members are brutally murdered.

Hercule Poirot investigates the murder of a shady American businessman stabbed in his compartment on the Orient Express when it is blocked by a blizzard in Croatia.
After a seemingly neurotic young heiress tells Ariadne Oliver and Hercule Poirot that she thinks she may have killed someone, her ex-nanny is found with her wrists slashed.
Syria 1937. While accompanying her husband on an archaeological dig, the abusive and overbearing Lady Boynton is found stabbed to death.
When a vicar chokes to death on a cocktail while attending a party held by actor Sir Charles Cartwright, Hercule Poirot initially dismisses the idea of murder but reconsiders when another guest dies in the same manner.
Four clocks surround an unidentified corpse in a blind woman's house, and a young typist is summoned to the crime scene. However, Hercule Poirot is convinced that the complicated setup is merely hiding a simpler solution.

During a village's Hallowe'en party, a young girl boasts of having witnessed a murder from years before. No one believes her tale until her body is found later on in the evening, drowned in the apple-bobbing bucket.

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.

Ariadne Oliver is asked to devise a murder hunt for a Devon fête, but her sense of foreboding summons Hercule Poirot to the scene. Her fears are realized when the girl playing murder victim winds up truly murdered.

Hercule Poirot's pursuit of an infamous art thief leads him to a snowbound hotel in the Swiss Alps, where he is met with a plethora of mysteries and the reappearance of a familiar face from the past.

An ailing Hercule Poirot returns to Styles with Captain Hastings nearly three decades after solving their first mystery there in order to prevent a serial killer from claiming more victims.