In the midst of World War II, Sherlock Holmes rescues the Swiss inventor of a new bomb-sight from the Gestapo and brings him to England, where he quickly falls into the clutches of the evil Professor Moriarty.
An actress gets involved with a criminal gang and winds up taking the rap for a $40,000 bank robbery. Before being sent to prison, she steals the money from her partners and hides it, thinking to use it as a bargaining chip to be released from prison. However, her former partners have different ideas.
The police arrest a man climbing over the wall of a cemetery after midnight. He claims that he is being blackmailed and is following instructions he received by mail to leave $1000 on a certain grave. It turns out that he's not the only one who got a blackmail letter from the same person--calling himself "The Black Panther"--and it also turns out that all the recipients are connected to an opera company.
Henry Courtney, a wealthy importer is found murdered and the famous DeNormand necklace has been stolen. The false testimony of two witnesses, Rand and Hobbs, puts Jim O'Brien in the shadow of the hangman's noose. Martha Courtney, widow of the murdered man and Jim's former sweetheart is convinced he isn't guilty, and promises crooked lawyer Roger Lanning the necklace - which Jim doesn't have - if he can arrange for Jim's escape. Rand and Lanning killed Courtney, but Lanning doesn't know that Rand has the necklace.
A group of academics have spent years shut up in a house working on the definitive encyclopedia. When one of them discovers that his entry on slang is hopelessly outdated, he ventures into the wide world to learn about the evolving language. Here he meets Sugarpuss O’Shea, a nightclub singer, who’s on top of all the slang—and, it just so happens, needs a place to stay.
The East Side Kids discover that one of their own, Danny, is torn between staying in school and becoming a boxer, and is getting mixed up with gangsters.
When two showgirls decide to leave South America and head for home, they sweet talk the purser of a clipper ship into giving them berths. In the course of the voyage, a band of thieves attempts to take over the ship and make off with its cash cargo. The heroic purser has other ideas and weighs in to save the day.
In the middle of a pictorial lecture on his recent expedition to the Mongolian Desert, Dr. John Benton,the famous explorer, drinks from the water bottle on his lecture table, collapses and dies. His last words "Eternal Fire" are the only clue Chinese detective Jimmy Wong and Captain Street of the police department have to work on.
A skip tracer--someone who collects late payments from people who've purchased appliances, etc., or takes them back them when they don't pay--repossesses a small radio from a deadbeat who's skipped payments. What he doesn't know is that a gang that has stolen diamonds from a Hollywood movie star has stashed them inside the radio, and they start hunting for him.
A recently retired fire captain suffers from boredom, until one of his friends is killed battling an arson fire. It becomes his purpose in life to track down the arsonist. As he gets closer to finding the killer, things become dangerous for him and his family.
When a police officer is murdered, Captain Street looks to Mr. Wong to catch the killer. Prime Suspect: Frank Belden Jr., whose father is a businessman well known for both his success and dishonesty. Mr. Wong faces increasing danger and is nearly executed himself as the investigation develops in treachery and complexity. As Mr. Wong follows the trail of dead bodies, he uncovers a jewel smuggling ring on the San Francisco waterfront and a case much larger than the death of a police officer.
Man about town and First Class cricketer A.J. Raffles keeps himself solvent with daring robberies. Meeting Gwen from his schooldays and falling in love all over again, he spends the weekend with her parents, Lord and Lady Melrose. A necklace presents an irresistible temptation, but also in attendance is Scotland Yard's finest, finally on the trail.
A prison trustee rescues a despondent executioner from a bar-room brawl, and is blamed for the fight by a tabloid reporter who actually started it, and loses parole, becomes embittered, and gets blamed for murder of guard.