Real estate developer Jake Berman hires private investigator and war veteran Jake Gittes for some run-of-the-mill matrimonial work. After Berman shoots his wife's lover, who happens to be his business partner, Gittes is drawn into a web of conspiracy and deceit involving the oil reserves beneath Los Angeles. While investigating, Gittes hears a voice from his past that causes him to revisit a traumatic case in Chinatown.
Before he left for a brief European visit, symphony conductor Sir Alfred De Carter casually asked his staid brother-in-law August to look out for his young wife, Daphne, during his absence. August has hired a private detective to keep tabs on her. But when the private eye's report suggests Daphne might have been canoodling with his secretary, Sir Alfred begins to imagine how he might take his revenge.
The famous Borgia Pearl, a valuable gem with a history of bringing murder and misfortune to its owner since the days of the Borgias, is brought to London, thanks in part to Sherlock Holmes. But before long the jewel is stolen, due to an error on Holmes' part, and shortly thereafter, a series of horrible murders begin, the murderer leaving his victims with their spines snapped and surrounded by a mass of smashed china.
John Rosow drinks to forget. He is a former New York City cop turned Chicago-based private investigator. At the last minute, he is hired by someone he's never met to follow a middle-aged male subject on the soon-departing California Zephyr train to Los Angeles.
Sheba, a Chicago private detective returns back home to Louisville, Kentucky, to help her father fight mobsters.
A dancing gigolo gets involved with a wealthy lady and her young step-daughter, and murder is the result.
Robert Mitchum stars as a down-and-out ex-cop whose entanglement with a shady casino owner leaves him one step behind a killer.
New York's Odyssey Detective Agency is hired by two different clients to follow two women suspected of infidelity. Ladies' man John Russo trails Angela Niotes, the elegant wife of a wealthy Italian industrialist, while Charles Rutledge and Arthur Brodsky follow Dolores Martin, the beautiful young wife of a jealous husband. Their respective cases are complicated when John falls for Angela, and Charles falls for Dolores.
Inept private investigator Harry Dobbs meets vampish new client Miss Dolan, who wants him to follow her abusive lover. But Dobbs sets about tailing a different person entirely – a mysterious character leading a double life. Harry, however, discovers that he himself is being followed by a distaff gumshoe.
Private detective and former football player Harry Moseby gets hired on to what seems a standard missing person case - a former Hollywood actress wants Moseby to find and return her daughter. Harry travels to Florida to find her, but he begins to see a connection between the runaway girl, the world of Hollywood stuntmen, and a suspicious mechanic when an unsolved murder comes to light.
When the world's worst cop is fired he becomes the world's worst private detective. For reasons unknown he finds himself the target of every criminal in town. He must overcome his incompetence and several character defects to solve the case and save his life.
Travis McGee is a world-weary private eye trying to help boat skipper friend Van Harder salvage his reputation that sank when his boat ran aground, resulting in a death that might have been faked.
Harper is brought to Louisiana to investigate an attempted blackmail scheme. He soon finds out that it involves an old flame of his and her daughter. He eventually finds himself caught in a power struggle between the matriarch of the family and a greedy oil baron, who wants their property. Poor Harper! Things are not as straight-forward as they initially appeared.
Mr. Hammer, a private detective, is hired to find a monster terrorizing a nudist colony and his wife is very eager to tag along.
Xavier Lombard is a world-weary private eye in London, in exile from his native Paris; his best friend is Nathalie, a high-class call girl. He gets a call from an old friend from the Paris police department, now a businessman whose brother-in-law is missing. The missing man's parents hire Xavier over their daughter's objections, and quickly he finds himself in the realm of children's sexual slavery.
A new case for the cult detectives! Not by coincidence, a mysterious videotape falls into the hands of Jupiter Jones, Pete Crenshaw and Bob Andrews during Jupiter's birthday party in Rocky Beach. On it is a recording of Jupiter's long dead parents. In their message they want to communicate to their son the key to an especially tricky riddle.
Fanny and Jean have everything of an ideal couple: fulfilled in their professional life, they live in a magnificent apartment in the beautiful districts of Paris and seem to be in love as on the first day. But when Fanny crosses, by chance, Alain, a former high school friend, she is immediately capsized. They see each other again very quickly and get closer and closer.
Charlie Chan, with son Jimmy on a week's pass from the Army, takes up a request for help at a castle-home, miles from anywhere in the American desert south-west and inhabited by an eccentric, reclusive historian and his wife, a descendant of Lucrezia Borgia. Once there, he finds the request's legitimacy denied by all who are present, but still necessary as one houseguest has already been murdered, the other guests are at each other's throat, and the Borgia-related chatelain is suspected...
In the second screen version of The Maltese Falcon, a detective is caught between a lying seductress and a lady jewel thief.
A lovely dame with dangerous lies employs the services of a private detective, who is quickly caught up in the mystery and intrigue of a statuette known as the Maltese Falcon.