Society has always been fascinated bymysteries.

While Poirot begins to conduct his investigation, he soon discovers that both of his cases are surprisingly connected.

As the investigation unfolds, Poirot navigates through a tangled web of jealousy, greed, and deception.

Lauren Bacall holding up a pocketknife with blood on the blade in Murder on the Orient Express (1974).

Image via Anglo-EMI Film Distributors

Surrounded by a diverse cast of suspects, Poirot meticulously examines clues and conducts interviews to unravel the mystery.

A police detective falls in love with the woman whose murder he is investigating.

A veteran British barrister must defend his client in a murder trial that has surprise after surprise.

Bonnie Bedelia standing close next to Harrison Ford in a court room in Presumed Innocent

Image via Warner Bros.

NEXT:10 Great Mystery Movies Like ‘Knives Out,’ Ranked

presumed-innocent_movie_poster.jpeg

instar53372453.jpg

instar49401492.jpg

Cast Placeholder Image

A group of wealthy visitors to a yacht party lounge around in a living area in ‘The Last of Sheila’ (1973)

Image via Warner Bros.

01402366_poster_w780.jpg

Poirot, who is holding a white umbrella, talks with a young woman outside.

Image via Columbia-EMI-Warner

evil-under-the-sun-1982.jpeg

Maggie Smith getting a necklace put on her by Kelly Macdonald in ‘Gosford Park’

Image via Entertainment Film Distributors

gosford-park-2001-poster.jpg

A period drama that combines elements of mystery and social critique, focusing on a weekend hunting party at the opulent Gosford Park estate. The story delves into the lives of both the wealthy guests and their servants, highlighting the stark class distinctions and personal secrets harbored by each group. The plot thickens when the host, Sir William McCordle, is murdered, prompting an investigation that uncovers hidden relationships and long-buried resentments.

instar45177680.jpg

instar49654148.jpg

instar54062930.jpg

The cast gathered around in the final scene of ‘Death on the Nile’ (1978)

Image via EMI Films

death-on-the-nile-1978-film-poster.jpg

A suspenseful and exotic whodunit featuring the brilliant detective Hercule Poirot as he solves a murder mystery on the Nile River. While vacationing aboard a luxurious cruise ship, Poirot is called to investigate the death of the affluent Linnet Ridgeway, who had numerous enemies among her fellow passengers. As the investigation unfolds, Poirot navigates through a tangled web of jealousy, greed, and deception.

Blended image of Bette Davis next to her name in white letters.

Michael McKean, Martin Mull, Eileen Brennan, Christopher Lloyd and Lesley Ann Warren standing next to each other in Clue (1985)

Image via Paramount Pictures

clue-movie-poster.jpg

instar48599024.jpg

The cast in period costumes sit in a train car with tension in the air in Murder on the Orient Express, 1974.

Image via Anglo-EMI Film Distributors

murder-on-the-orient-express-1974-film-poster.jpg

On a lavish trip aboard the Orient Express, renowned detective Hercule Poirot finds himself in the midst of a murder investigation when a wealthy passenger is killed. Surrounded by a diverse cast of suspects, Poirot meticulously examines clues and conducts interviews to unravel the mystery.

instar49057916.jpg

Dana Andrews looking at a portrait of Gene Tierney in ‘Laura’

Image via 20th Century Fox

laura-1944-poster.jpg

A group of men gather together in a living room to discuss how to protect themselves from the killer.

Image via 20th Century Fox

And Then There Were None 1945 Movie Poster

WitnessForTheProseccution

Image via United Artists

witness-for-the-prosecution-1957.jpg

Movie

Murder on the Orient Express