Holmes and Watson board a passenger train bound from London to Edinburgh, to guard the Star of Rhodesia, an enormous diamond worth a fortune belonging to an elderly woman of wealth; but within the first hour of the trip, the woman's son is murdered and the diamond stolen and any of the passengers in their car could be the killer thief.
Ned Ravine is a police officer and lawyer who occasionally defends the delinquents he arrests. He crosses paths with seductive Lola Cain during an assignment and promptly begins an affair with her. Meanwhile, Ned's wife, Lana, is deep in an affair of her own. Lana and her lover are planning to murder Ned in an elaborate fashion so they can collect on his triple indemnity life insurance policy.
A black detective becomes embroiled in a web of danger while searching for a fortune in missing drug money. During the course of his investigation, he encounters various old connections, ultimately confronting the criminal responsible for Shame's expulsion from the force. He must also deal with two women, Angela, a beautiful old flame, and Peaches, his energetic but annoying sidekick.
A private detective foils the plans of villains attempting to take over Panamanian oil fields while he searches for a valuable map hidden in plain sight.
Browning is a PI with a bad cold, who's sent to investigate a case by a mysterious client. He stumbles across the body of a young woman and is stabbed to death, and when he wakes up in heaven, they tell him he's "marginal material," and they can only decide on his final destination through one last assignment: to go back and solve his own murder. As a dog. A cute fluffy little dog (Benji). Undaunted, Browning begins to investigate the case as best he can around his canine disabilities (dialing the phone presents a special challenge) to solve the murders, save the girl, and see justice done.
Harper is a cynical private eye in the best tradition of Bogart. He even has Bogie's Baby hiring him to find her missing husband, getting involved along the way with an assortment of unsavory characters and an illegal-alien smuggling ring.
In the late 1950s, British police officer Tony Aaron resigns from the force after sleeping with Hazel, wife of the man whose house he was supposed to guard. In his new job as a fake private investigator, he helps couples get divorces by photographing Hazel having "affairs" with the husband. When she is murdered during a job, Tony begins having an affair with the dead man's mistress, Angeline, while trying to prove his innocence.
Lemmy Caution is on a mission to eliminate Professor Von Braun, the creator of a malevolent computer that rules the city of Alphaville. Befriended by the scientist’s daughter Natasha, Lemmy must unravel the mysteries of the strictly logical Alpha 60 and teach Natasha the meaning of the word “love.”
In late 1940s Los Angeles, Easy Rawlins is an unemployed black World War II veteran with few job prospects. At a bar, Easy meets DeWitt Albright, a mysterious white man looking for someone to investigate the disappearance of a missing white woman named Daphne Monet, who he suspects is hiding out in one of the city's black jazz clubs. Strapped for money and facing house payments, Easy takes the job, but soon finds himself in over his head.
Both Scotland Yard and an amateur American sleuth are tracking a master criminal known as The Frog. This moniker refers to the bulging-eyed mask worn by the evildoer, and is reflected by the frog icons painfully tatooed onto the forearms of his henchmen. The trail leads to the country manor of an enigmatic, steely-eyed nabob, whose repressed son has eyes for the artistes at the Lolita cabaret, and whose lovely daughter captures the fancy of both the American playboy and the villain himself. Murder, kidnapping and seduction ensue.
Juliet Forrest is convinced that the reported death of her father in a mountain car crash was no accident. Her father was a prominent cheese scientist working on a secret recipe. To prove it was murder, she enlists the services of private eye Rigby Reardon. He finds a slip of paper containing a list of people who are 'The Friends and Enemies of Carlotta'.
The owner of a seedy small-town Texas bar discovers that one of his employees is having an affair with his wife. A chaotic chain of misunderstandings, lies and mischief ensues after he devises a plot to have them murdered.
Private eye Jake Gittes lives off of the murky moral climate of sunbaked, pre-World War II Southern California. Hired by a beautiful socialite to investigate her husband's extra-marital affair, Gittes is swept into a maelstrom of double dealings and deadly deceits, uncovering a web of personal and political scandals that come crashing together.
'Toon star Roger is worried that his wife Jessica is playing pattycake with someone else, so the studio hires detective Eddie Valiant to snoop on her. But the stakes are quickly raised when Marvin Acme is found dead and Roger is the prime suspect.
Harry Crumb is a bumbling and inept private investigator who is hired to solve the kidnapping of a young heiress which he's not expected to solve because his employer is the mastermind behind the kidnapping.
A private eye (Robert Clarke) takes pictures for the publishers (Francine York, Syd Mason) of a scandal magazine.
A detective must solve a case where a girl was murdered in a room--and all the doors and windows were locked from the inside.
A private detective and a blonde acquaintance whom he has rescued from a misdirected murder charge, discover a body in his beachside cottage; only it has disappeared by the time the police arrive, leaving him to be charged with hoaxing the police. With his license in jeopardy, his would-be fiancee and an inquiring reporter set out to investigate.
Scudder is a detective with the Sheriff's Department who is forced to shoot a violent suspect during a narcotics raid. The ensuing psychological aftermath of this shooting worsens his drinking problem and this alcoholism causes him to lose his job, as well as his marriage.
A private eye becomes the target of both a Chinese syndicate and the police during an investigation into the mysterious death of an old friend.