Cosmo Jones, a correspondence-school detective from a small town, comes to the big city to offer his services to the police. He happens by where a gangster is killed by an opposing gang. Socialite Phyllis Blake is running around with gang member Tom and the opposing gang plan on kidnapping her. Cosmo is with Sergeant Flanagan when the attempt is made in front of a night club, where a bystander is seriously wounded in the gun-battle. Police Chief Murphy blames Flanagan for the shooting and demotes him. Cosmo, with the aid of a porter, Eustace and Flanagan's fiancée, Susan, tries to find the killer. Phyllis is finally kidnapped and Cosmo decides the act was committed by one of the two gangs. He has her father place an ad in the newspaper that contact has been made with the kidnappers. Each gang thinks the other is pulling a double cross, and one gang wipes out the other.

Two German shepherds and their mistress (Grace Bradley) crash-land in Canada by a fox breeder's (Michael Whalen) farm.

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.

Hardworking Minnie (Cora Green) marries "Dollar" Bill (Bud Harris) a shady gambler after her money and her attractive daughter, Sue (Izanetta Wilcois). Sue meanwhile, is in love with Bob (Carl Hough), an idealist fond of looking out over the skyline and saying "Harlem... there's so much to be done here--it's fairly screaming for leadership." When Bob decides to organize the community against local racketeers he little realizes would-be father-in-law Dollar Bill is one of them. Bill meanwhile has problems of his own: A vicious white mob from lower Manhattan is muscling in on his action, and bullets are about to fly.

A young woman finds herself as the intended victim of a murder plot on a transatlantic flight from London to New York.

A group of thugs tries to steal the cursed title gem from a jeweler who has been hired to cut it into small, saleable pieces.

A man is determined to find the real culprit behind the crime for which his father was wrongly executed.

Prizefighter Bob Neal (Ray Walker) is in debt to gangster Vic Santell (Hooper Atchley) for training expenses. Santell orders Bob to take a dive in the fourth round so Santell can recoup prior gambling losses. Taunted by his ring opponent, Bob wins the fight. Realizing that his profession and underworld characters connected to it are causing him problems, Bob decides to join the police force. After taking nurse Mary Prentiss (Geneva Mitchell) to a drive-in restaurant where the total bill is a depression-era cheap eighty-two cents, Bob and his fellow officers round-up a gang of fur thieves in a warehouse shoot-out.

After Sheriff Ken puts money in the safe, his brother Clem gives Rawhide the combination. With the money gone the disgruntled townsmen make Boots Sheriff and lock up Ken. Clem, now a prisoner of Rawhide, has a change of heart and sends Ken a message with the outlaw's location. Ken escapes by impersonating the saloon entertainer and rides for the hangout.

A man is convicted of killing his boss, whom he suspected of having an affair with his wife. On board the train taking him to prison for his execution are a reporter, who is dying of lung cancer and wants to interview the condemned man--and who also has some inside knowledge of the circumstances of the man's case. Also aboard is the prisoner's wife, who doesn't believe her husband is a killer and desperately wants to talk to him about it but he refuses to speak to her.

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.

Cub reporter Daniel Greely gets a job on a big city newspaper. A string of robberies occur and the owner of the paper blames the police for not rounding up the crooks. Daniel discovers that a coded message in the newspaper's editor's box tips the crooks about each robbery.

Scheduled for demolition, Hotel Continental has seen 50 years of romance, intrigue, and tragedy. The last night attracts many nostalgic patrons, including a gangster planning to grab the loot that he hid there many years ago.

A gang of racketeers, with the aid of a high-ranking city official has control of a big-city, and the police plant an undercover cop to gather evidence against the hoodlums - except the police keep telling the wrong person what they are up to.

A wealthy man hires a detective to investigate his wife's mysterious past.

A neurosurgeon relates to his students in medical school a story about an affair he had with a married woman and how after the affair was over, the woman fell out a window and died. The surgeon, suspecting that she was murdered, set out to find her killer -- but, instead of turning the suspect over to the police, he planned to take his own revenge on the murderer.

A federal agent's life is in danger when he's exposed while investigating a parole scheme.

The dream is unusually vivid: Bank employee Vince Grayson finds himself murdering a man in a sinister octagonal-shaped room lined with mirrors while a mysterious woman breaks into a safe. It is so vivid that Vince suspects it may have really happened. To get the dream off his mind, he goes on a picnic with some relatives. When a thunderstorm forces his party into a nearby mansion, Vince discovers that the bizarre room does exist, and it means nothing but trouble.

A French PR man and his girlfriend steal a lottery ticket from twin trapeze artists, prompting murder.

Two narcotics agents go after a gang of murderous drug dealers who use ships docking at the New York harbor to smuggle in their contraband.

Art editor Madeleine Damian carries on numerous loveless affairs. After a failed relationship with advertiser Felix Courtland, the increasingly depressed Madeleine attempts suicide. When Jack Garet, her secretary and former lover, tries to blackmail her, Madeleine resigns and seeks a reclusive life. Neighbor David Cousins befriends Madeleine, but soon Courtland and Garet discover her whereabouts and disrupt her new life.

The French owner of an antique shop, Desius Heiss, has become disillusioned with society since his torture as a prisoner on Devil's Island, since when he has allowed his shop to become a front for criminal activity, and he himself is a receiver of stolen goods.

A badly injured fugitive explains to a priest how he came to be in his present predicament.

David Palmer, a young chemist, returns to his father's Indiana farm, to marry a local school teacher, Ruth Treadwell. David meets again his father's horse-trainer, Ben Lathrop, whose daughter, Cissy, has left high school to help her father. Palmer marries and becomes wealthy through an invention, and is able to indulge his socially-ambitious wife. His father dies and Palmer returns to Indiana, where his interest in harness-racing is rekindled, as is his interest in Cissy Lathrop.

A city boy arrives in his late mother's birthplace to discover the locals have been pestered by a cougar.

The ambitious son of an accomplished race driver struggles to outrun his father's legacy and achieve his own successes.

France, 1640. Cyrano, the charismatic swordsman-poet with the absurd nose, hopelessly loves the beauteous Roxane; she, in turn, confesses to Cyrano her love for the handsome but tongue-tied Christian. The chivalrous Cyrano sets up with Christian an innocent deception, with tragic results.

A dancer who has just gotten engaged to her partner and choreographer and is about to embark on a major career is devastated to learn that she has contracted polio.

A fugitive receives help from a victim's sister as he tries to clear his name of robbery and murder charges.

A reporter investigates the story of a young man who may have been wrongly convicted and sentenced to be executed.