The Wall Street Mystery (1931)

Not even the joys of parenthood can stop married sleuths Nick and Nora Charles from investigating a murder on a Long Island estate.

On a trip to visit his parents, detective Nick Charles gets mixed up in a murder investigation.

An interpol agent and an attorney are determined to bring one of the world's most powerful banks to justice. Uncovering money laundering, arms trading, and conspiracy to destabilize world governments, their investigation takes them from Berlin, Milan, New York and Istanbul. Finding themselves in a chase across the globe, their relentless tenacity puts their own lives at risk.

Over-the-hill gumshoe in Los Angeles seeks to avenge the killing of an old pal, another detective who was involved in a case concerning a murdered broad, stolen stamps, a nickel-plated handgun, a cheating dolly, and a kidnapped pussycat.

A middle-aged couple suspects foul play when their neighbor's wife suddenly drops dead.

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

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

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

Harry Crumb is a bumbling and inept private investigator who is hired to solve the kidnapping of a young heiress which he's not expected to solve because his employer is the mastermind behind the kidnapping.

A master thief recruits a notorious thief to help him steal two famous Faberge eggs from an impenetrable vault in an effort to pull off one final job and repay his debt to the Russian mob.