Troubled Waters (1936)

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

Inspector Jacques Clouseau, smitten with the accused maid Maria Gambrelli, unwittingly turns a straightforward murder investigation into a comedic series of mishaps, testing the patience of his irritable boss Charles Dreyfus as casualties mount.

Society sleuths Nick and Nora Charles investigate a murder in a jazz club.

At the insistence of Ruth Van Rydock, an old schoolfriend who is convinced that there is something wrong, Miss Marple agrees to visit 'Stonygates', the country house of Ruth's sister.

Miss Marple believes she's seen a murder in a passing-by train, yet when the police find no evidence she decides to investigate it on her own.

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

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.

Nancy Drew, a smart high schooler with a penchant for keen observation and deduction, stumbles upon the haunting of a local home. A bit of an outsider struggling to fit into her new surroundings, Nancy and her pals set out to solve the mystery, make new friends, and establish their place in the community

A duel between a suspected murderer and a detective pressed by people who want results. But whose skin is really wanted?

High society sleuths Nick and Nora Charles run into a variety of shady characters while investigating a race-track murder.