Dr. Paul Carruthers is frustrated because he thinks his employers, Mary Heath and Henry Morton, have cheated him out of the company's profits. He decides to get revenge by altering bats to grow twice their normal size and training them to attack when they smell a perfume of his own making. He mixes the perfume into a lotion, which he offers as a gift to Mary and Henry. When they turn up dead, a newspaper reporter decides to investigate.
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.
Shipping magnate Cyrus Wentworth, downcast over a disaster to his ocean liner 'Wentworth Castle' (carrying, oddly enough, an illicit shipment of Chinese bonds) is shot in his office at the very moment of kicking out his daughter's fiance Dick Fleming. Of course, Captain Street arrests Dick, but reporter Bobbie Logan, the attractive thorn in Street's side, is so convinced he's wrong that she enlists the help of detective James Lee Wong to find the real killer.
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 Scotland Yard inspector and his reporter friend arrive on vacation in a small village and are immediately involved in what is claimed to be a murder but the body has disappeared, leaving it to the inspector to find the body, determine the motive and find the killer.
In early 19th-century Cornwall, young Mary Yellan travels to live with her aunt and uncle at the remote Jamaica Inn, where she discovers the inn is a front for a violent gang of wreckers who lure ships to their doom along the coast. As she becomes entangled in their crimes, Mary must fight to survive and uncover the truth behind the terror that haunts the moors.
A tough street kid takes the rap for a burglary committed by the son of his foster family and is sent to a boys reformatory, where the inmates are under the thumb of corrupt guards and a brutal prison doctor.
Jimmy, an idealistic and hard-working young man, has just arrived in New York City with dreams of making his fortune. Along the way he faces numerous obstacles, opportunities and temptations, but through it all, he considers the actions of his hero, Abraham Lincoln, for guidance. Will Jimmy see his dreams come true, or will he be another of the countless hopefuls chewed up and spit out by New York's mean streets?
Detective James Lee Wong must find the "Eye of the Daughter of the Moon," a priceless but cursed sapphire stolen in China and smuggled to America. His search takes him into the heart of Chinatown and to the dreaded "House of Hate" to find the deadly gem before it can kill again.
When shifty cattlemen Belknap (Walter Miller) and H.R. Shelby (Gordon Hart) are caught shipping infected animals to Mexico, they frame inspector Gene Autry. Now Autry and his sidekick, Frog Millhouse (Smiley Burnette), must catch the bad guys in the act and set things straight. June Storey co-stars as rancher Martha Wheeler. Autry sings "I'm Gonna Round Up My Blues," "Moonlight on the Ranch House" and "Big Bull Frog."
An undercover police woman poses as a nighclub entertainer to catch the main man behind the racketeers going on around Harlem. Meanwhile two men are falling for her.
“Shorty” Matthews having recently been released from prison visits his girlfriend in London only to discover her murdered. Fearing he will be wrongly accused of being the culprit he disappears amongst the long-distance lorry driving community. Meanwhile, the real killer, unassuming ex-schoolteacher Walter Hoover, continues to prey on London women. As Shorty had feared he has become the main suspect. He returns to London with old flame Molly to prove his innocence.
Mr. Morris, the owner of a large metropolitan department store, gives jobs to paroled ex-convicts in an effort to help them reform and go straight. Among his 'employed-prison-graduates' are Helen Roberts and Joe Dennis, working as sales clerks. Joe is in love with Helen and asks her to marry him, but she is forbidden to marry as she is still on parole, but she says yes and they are married. In spite of their poverty-level life, their marriage is a happy one until Joe discovers she has lied about her past, in order to marry him. Disillusioned, he leaves, goes back to his old gang and plans to rob the department store.
The second and final Grand National Pictures film to feature The Shadow, played again by Rod La Rocque. In this version, Lamont Cranston is an amateur detective and host of a radio show with his assistant Phoebe (not Margo) Lane. Cabbie Moe Shrevnitz and Commissioner Weston also appear.
Drummond's wedding with Phyllis is interrupted when the inspector guarding their gifts is killed. He tries to trace the killers and uncovers the mystery of diamond counterfeiters.
Pepe Le Moko is a notorious thief, who escaped from France. Since his escape, Moko has become a resident and leader of the immense Casbah of Algiers. French officials arrive insisting on Pepe's capture are met with unfazed local detectives, led by Inspector Slimane, who are biding their time. Meanwhile, Pepe meets the beautiful Gaby, which arouses the jealousy of Ines.
Drummond's girlfriend is kidnapped by his enemies and he along with his friend Nielsen, an inspector from Scotland Yard, follow the trail and try to rescue her from the kidnappers.