The murders in "And Then There Were None" take place on Soldier Island, a remote and isolated location off the coast of Devon, England.

In the film "The Usual Suspects", Keyser Söze is revealed to be the mastermind behind the heist and murders, a mysterious and elusive figure who has been manipulating events from the shadows.

In "Gone Girl", the protagonist's husband, Nick Dunne, is suspected of murdering her after she disappears on their fifth wedding anniversary.

In "Breaking Bad", Walter White, a high school chemistry teacher, turns to cooking meth to provide for his family after being diagnosed with cancer.

In "The Da Vinci Code", the Priory of Sion is a secret society that is protecting the truth about the Holy Grail, a sacred relic that is believed to possess great power.

In "The Silence of the Lambs", Hannibal Lecter is a brilliant but cannibalistic psychiatrist who helps the FBI track down a serial killer known as Buffalo Bill.

In "The Girl with the Dragon Tattoo", Mikael Blomkvist, a journalist, teams up with Lisbeth Salander, a hacker, to investigate the disappearance of a young woman from a wealthy family.

In "Se7en", the serial killer uses the seven deadly sins as his modus operandi, targeting victims who embody each sin.

In "The Secret History", Hampden College is the elite liberal arts college where a group of students become involved in a murder.

In "True Detective", Rust Cohle is a detective who is haunted by his past and struggles with alcoholism.

In "The Alienist", the team of experts who are brought in to investigate a series of gruesome murders in New York City consists of the Alienist (a doctor who specializes in mental illness), the Psychologist, and the Newspaper Reporter.

In "The Departed", Billy Costigan is the undercover cop who infiltrates the Irish mob in Boston.

In "The Talented Mr. Ripley", Tom Ripley is the young man who becomes obsessed with a wealthy socialite named Dickie Greenleaf and eventually murders him.

In "Dexter", Dexter Morgan is the serial killer who works as a blood spatter analyst for the Miami Metro Police Department.

In "The Hound of the Baskervilles", Dartmoor is the moor where a ghostly hound is said to haunt.