Anything to Declare? (1938)

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.

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

Federal agent Alexandra Barnes believes that Catherine Petersen is a serial killer who marries rich men and then murders them for their money. But since Catherine is seemingly a master of disguise and has multiple identities, Alexandra can't prove anything with conventional detective work. With no other option, she goes undercover, pursuing the same man as Catherine, and hoping that Catherine will slip up and reveal her true identity.

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

A calculating divorcée risks her chances at wealth and security with a man she doesn't love by getting involved with a hotheaded murderer.

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.

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

When a stranger enters a quiet, country town and is seduced by a sensuous married woman he unwittingly finds himself at the centre of a storm of sexual guilt and murder.

An ex-fireman with PTSD goes on the run when accused of a crime he doesn't even remember committing, leading him down a rabbit hole of conspiracy to the highest degree.

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