Anything to Declare? (1938)

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 veteran homicide detective who has witnessed his socialite girlfriend kill her husband sees his inexperienced brother assigned to the case.

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.

After two British Secret Intelligence Service agents are murdered at the hands of a cryptic neo-Nazi group known as Phoenix, the suave agent Quiller is sent to Berlin to investigate.

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

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

Tired of their mother's alcoholism and a string of her abusive boyfriends, two sisters plot to kill her.

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.