A Swedish princess boards an ocean liner in Europe en route to an acting career in America and finds herself getting inconveniently attached to a bandleader returning home. To complicate matters, a blackmailer on board apparently knows she is not who she claims to be - and he has his sights set on other passengers with secrets of their own. In the meantime an escaped killer has stowed away under someone else's identity, and is killing again to cover his tracks; five international police detectives on board are heading the investigation to find him. When evidence points to the princess and bandleader, they must find the killer themselves - before he finds them.

Gabby, the waitress in an isolated Arizona diner, dreams of a bigger and better life. One day penniless intellectual Alan drifts into the joint and the two strike up a rapport. Soon enough, notorious killer Duke Mantee takes the diner's inhabitants hostage. Surrounded by miles of desert, the patrons and staff are forced to sit tight with Mantee and his gang overnight.

Dr. Janos Rukh discovers a certain type of radium that has almost magical healing properties. But the element has a dangerous side, too, and it has already started affecting Rukh. Consumed by paranoia, he begins to suspect that his wife is having an affair. Wild for revenge, Rukh hatches a deadly plot...using his own poisoned body as a weapon to kill.

China, 1930s, during the ravaging civil war. General Pen entrusts O'Hara, an intrepid American adventurer, with the mission of providing a large sum of money to Mr. Wu with the task of buying weapons in Shanghai to help end General Yang's tyranny that keeps an entire province under his ruthless iron boot.

Ed Harwood, a wisecracking private investigator from New York, discovers a crime at a hotel in Nice during a carnival. The unraveling of the mystery which lies behind will lead him and Caryl Fenton, a female insurance agent, who will become his companion, first to Paris, then to London, later through the English countryside and finally to Southampton, in search of a criminal train wrecker.

Betrayal and espionage abound as an experimental aircraft is readied for its maiden voyage.

Allen Colby, heir to a huge fortune, is presumed drowned after an ocean liner sinks off the coast of Honolulu. Mysteriously, Colby reappears at his mansion only to be murdered soon after. When his body is discovered during a seance, everyone in attendance becomes a suspect, and it's up to Chan to find the murderer before he or she strikes again.

When a friend of Charlie's is found kicked to death by his own race horse on board a Honolulu-bound liner, the detective discovers foul play and uncovers an international gambling ring.

A dangerous amnesiac escapes from an asylum, hides in the opera house, and is suspected of getting revenge on those who tried to murder him 13 years ago.

While visiting the circus with his family, Charlie is recruited by the big top's co-owner to investigate threatening letters that he's received.

Holmes, retired to Sussex, is drawn into a last case when his arch enemy Moriarty arranges with an American gang to kill one John Douglas, a country gentleman with a mysterious past. Holmes' methods baffle Watson and Lestrade, but his results astonish them. In a long flashback, the victim's wife tells the story of the sinister Vermissa Valley.

Criminals pose as ghosts to scare a lighthouse keeper on the Welsh coast, in attempt to distract him. Jim Pearce deliberately maroons himself on the rock along with Alice Bright. When the light is later smashed, Jim reveals that his brother’s ship is the wreckers’ latest target, while Alice is a detective sent to investigate.

Mr. Wong is a "harmless" Chinatown shopkeeper by day and relentless blood-thirsty pursuer of the Twelve Coins of Confucius by night. With possession of the coins, Mr. Wong will be supreme ruler of the Chinese province of Keelat, and his evil destiny will be fulfilled. A killing spree follows in dark and dangerous Chinatown as Wong gets control of 11 of the 12 coins. Reporter Jason Barton and his girl Peg are hot on his trail, but soon find themselves in serious trouble when they stumble onto Wong's headquarters.

A fake psychic suddenly turns into the real thing when he meets a young beauty. (TCM)

Richard Hanney has a rude awakening when a glamorous female spy falls into his bed - with a knife in her back. Having a bit of trouble explaining it all to Scotland Yard, he heads for the hills of Scotland to try to clear his name by locating the spy ring known as The 39 Steps.

When a Hollywood producer is murdered, the most likely suspect is a man who is smitten with the victim's fiancee.

A writer, looking for some peace and quiet in order to finish a novel, takes a room at the Baldpate Inn. However, peace and quiet are the last things he gets, as there are some very strange goings-on at the establishment.

Eccentric tycoon Jasper Whyte hosts a dinner at his mansion and announces that he will divide his money and give each guest a million dollars before the stroke of midnight. When his long-lost granddaughter suddenly arrives, Whyte changes his mind and proclaims that she will receive his entire fortune. A second lady appears at the estate, claiming that she is actually Whyte's granddaughter, Doris Waverly, and the first woman is found murdered in her room! With each guest possessing a motive, the mystery of the killer's identity briskly unfolds through a stirring series of surprises.

When a prominent official is murdered at a banquet honoring Charle Chan, the detective and son Lee team up to expose an opium-smuggling ring.

Charlie's visit to Paris, ostensibly a vacation, is really a mission to investigate a bond-forgery racket. But his agent, apache dancer Nardi is killed before she can tell him much. The case, complicated by a false murder accusation for banker's daughter Yvette, climaxes with a strange journey through the Paris sewers.

A major newspaper publisher dies in suspicious circumstances during a parlour game at a dinner party. The publishers secretary is the obvious suspect, but the inspector isn't so sure ...

While vacationing in St. Moritz, a British couple receive a clue to an imminent assassination attempt, only to learn that their daughter has been kidnapped to keep them quiet.

A young mechanic gets a job with a small airline, which he helps win a mail contract. A rival airline plots to destroy it in order to get the contracts for itself.

There are plenty of guilty secrets at the school where Hildegarde Withers teaches. When she finds the body of the pretty music teacher, she calls in her old friend Inspector Piper, who promptly arrests the obvious suspect. Clues multiply and everyone looks suspicious as Piper and Miss Withers continue their battle of the sexes.