A husband and wife detective team takes on the search for a missing inventor and almost get killed for their efforts.

Nick and Nora Charles investigate when Nora's cousin reports her disreputable husband is missing, and find themselves in a mystery involving the shady owners of a popular nightclub, a singer and her dark brother, the cousin's forsaken true love, and Nora's bombastic and controlling aunt.

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

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

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