Claiming that he doesn't know his own past, a rich man enlists an ex-con with an odd bit of detective work. Gregory Arkadin says he can't remember anything before the late 1920s, and convict Guy Van Stratten is happy to take the job of exploring his new acquaintance's life story. Guy's research turns up stunning details about his employer's past, and as his work seems linked to untimely deaths, the mystery surrounding Mr. Arkadin deepens.
The cruel and abusive headmaster of a boarding school, Michel Delassalle, is murdered by an unlikely duo -- his meek wife and the mistress he brazenly flaunts. The women become increasingly unhinged by a series of odd occurrences after Delassalle's corpse mysteriously disappears.
The tranquility of a small town is marred only by sheriff Tod Shaw's unsuccessful courtship of widow Ellen Benson, a pacifist who can't abide guns and those who use them. But violence descends on Ellen's household willy-nilly when the U.S. President passes through town... and slightly psycho hired assassin John Baron finds the Benson home ideal for an ambush.
After the suspicious suicide of a fellow cop, tough homicide detective Dave Bannion takes the law into his own hands when he sets out to smash a vicious crime syndicate.
Frank Johnson, a sole witness to a gangland murder, goes into hiding and is trailed by Police Inspector Ferris, on the theory that Frank is trying to escape from possible retaliation. Frank's wife, Eleanor, suspects he is actually running away from their unsuccessful marriage. Aided by a newspaperman, Danny Leggett, Eleanor sets out to locate her husband. The killer is also looking for him, and keeps close tabs on Eleanor.
Ralph Cotter, a ruthless criminal, escapes violently from a farm prison. Then, he seduces a dead inmate’s sister, gets back quickly into the crime business, faces corrupt local cops who run the city’s underworld and meets a powerful tycoon’s whimsical daughter.
Wealthy writer Stephen Byrne tries to seduce the family maid, but when she resists, he kills her. Long jealous of his brother John, Stephen does his best to pin the blame for the murder on his sibling. Also affected by Stephen's arrogant dementia is his long-suffering wife Marjorie.
Frank Bigelow is about to die, and he knows it. The accountant has been poisoned and has only 24 hours before the lethal concoction kills him. Determined to find out who his murderer is, Frank, with the help of his assistant and girlfriend, Paula, begins to trace back over his last steps. As he frantically tries to unravel the mystery behind his own impending demise, his sleuthing leads him to a group of crooked businessmen and another murder.
Through a fluke circumstance, a ruthless woman stumbles across a suitcase filled with $60,000, and is determined to hold onto it even if it means murder.
A war veteran suffering from amnesia, returns to Los Angeles from a San Francisco veterans hospital hoping to learn who he is and discovers his criminal past.
Wide-eyed and poor young Leonora weds an obsessive millionaire named Ohlrig, but the marriage is loveless. Even worse, Ohlrig seems to have manic, violent tendencies. Eventually, young Leonora escapes her unhappy life and begins working with New York City doctor Larry Quinada, who she soon falls for. Unfortunately, Ohlrig refuses to grant his wife a divorce, and things get even darker for Leonora when she realizes she's pregnant with his child.
Horace Vendig always gets what he wants. Even as a poor youth, he charmed his way into high society by getting the father of his friend, Martha, to foot the bill for his Harvard education. When Vic, another childhood pal, is invited to Horace's mansion for a party, he brings along Mallory Flagg, who happens to bear a striking resemblance to Martha. As Vic and Horace reunite, old resentments rise to the surface.