After a former model is drowned in her bathtub, Detective James Halloran and Lieutenant Dan Muldoon attempt to piece together her murder.

While watching from her train window, Nikki Collins witnesses a murder in a nearby building. When she alerts the police, they think she has read one too many mystery novels. She then enlists a popular mystery writer to help her solve the crime on her own, but her sleuthing attracts the attentions of suitors and killers.

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

Jane Marple solves the mystery when a local woman is poisoned and a visiting movie star seems to have been the intended victim.

A Broadway playwright puts murder in his plan to take credit for a student's script.

In Acapulco, Hercule Poirot attends a dinner party in which one of the guests clutches his throat and suddenly dies. The causes seem to be natural until another party with most of the same guests produces another corpse.

Private eye Phillip Marlowe wants to get out of the detective racket and into crime writing. But when he's called to the office of editor Adrienne Fromsett, it's not to talk about his story ideas — she wants him to locate the missing wife of her boss, Mr. Kingsby. The assignment quickly becomes complicated when bodies start turning up.

George Stroud, a crime magazine's crusading editor, has to postpone a vacation with his wife - again - when a glamorous blonde is murdered and he is assigned by his publishing boss to find the killer. As the investigation proceeds to its conclusion, Stroud must try to disrupt his ordinarily brilliant investigative team as they increasingly build evidence that he is the killer.

Genius Belgian detective Hercule Poirot investigates the murder of an American tycoon aboard the Orient Express train.

Upon waking up to the news that the man she’d gone on a date with the previous night has been murdered, a young woman with only a faint memory of the night’s events begins to suspect that she murdered him while attempting to resist his advances.

A charming psychopath tries to coerce a tennis star into his theory that two strangers can commit the perfect crime by exchanging murders—each killing the other’s most-hated person.

A seductive woman gets an innocent professor mixed up in murder.

When Dr. Anthony Edwardes arrives at a Vermont mental hospital to replace the outgoing hospital director, Dr. Constance Peterson, a psychoanalyst, discovers Edwardes is actually an impostor. The man confesses that the real Dr. Edwardes is dead and fears he may have killed him, but cannot recall anything. Dr. Peterson, however is convinced his impostor is innocent of the man's murder, and joins him on a quest to unravel his amnesia through psychoanalysis.

A crooked politician finds himself being accused of murder by a gangster from whom he refused help during a re-election campaign.

Police Lt. Leonard Diamond vies to bring a clever, well connected, and sadistic gangster to justice all the while obsessing over the gangster's girlfriend.

In sleepy Santa Rosa, restless young Charlie’s world brightens when her sophisticated Uncle Charlie arrives for a long visit. But as his behavior grows increasingly strange, she begins to suspect that her beloved uncle may be hiding a terrible secret—and that danger has quietly entered her home.

A murderer is brought to court and only Miss Marple is unconvinced of his guilt. Once again she begins her own investigation.

Police catch a break when suspected kidnappers are spotted on a train heading towards Union Station. Police, train station security and a witness try to piece together the crime and get back the blind daughter of a rich business man.

The wife of a psychoanalyst falls prey to a devious quack hypnotist when he discovers she is an habitual shoplifter. Then one of his previous patients now being treated by the real doctor is found murdered, with her still at the scene, and suspicion points only one way.

Crime-solving librarian Aurora Teagarden leaps headfirst into Lawrenceton’s latest murder investigation when her nephew Phillip and his college roommate go missing after the roommate’s girlfriend is found dead. Enlisting the help of her Real Murders pals, and the handsome college professor Nick Miller who just moved in across the street from her, Roe uncovers a kidnapping plot gone awry.