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.

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.

Small-time showgirl poses as a stripper to infiltrate a nightclub whose owner is believed responsible for her father's murder.

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.

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 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.

Bank teller Barry Webster is driven to stealing bank funds by his mother-in-law who continually nags him about forcing her daughter Muriel to live in poverty...

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

Hard-boiled newspaper reporter Larry Doyle (Robert Armstrong) goes a bit too far in celebrating a work bonus and wakes up on a train bound for St. Louis with only a buck on his person. To remedy the problem, Doyle pawns the revolver he's carrying. When the gun is subsequently used in a murder, Doyle's problems only multiply. In the meantime, he's also fallen in love with a comely stranger (Maxine Doyle) he convinced to impersonate his wife.

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 reporter itching to get off the boring gardening "beat" gets a chance to investigate a series of arson fires that have been plaguing the city. He believes the fires are tied into a web of political corruption involving a wealthy businessman, the mayor and the police chief. Complicatins ensue when the girl assigned to help him turns out to be the businessman's daughter.

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.

When a radio star is found murdered in her home, everyone assumes that the mysterious young woman discovered with her is the culprit — everyone, that is, but newspaper reporter Jerry Beall, who sets out to prove her innocence.

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.

A phony spiritualist hypnotizes the daughter of a wealthy banker in a scheme to swindle the banker out of his money. A reporter investigating the swami discovers the plot, determines to expose it.

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.

A couple struggle to find happiness after a whirlwind courtship.

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 range lawman (Ken Maynard) unmasks a black-cloaked phantom killer (Sheldon Lewis).

Doctor Smith and his wife, Mary,depart a riverboat and are met by Phil Talbot. Phil informs Dr. Smith that Jessup, the only other white man in the village, has died while the doctor and his wife were off on a two-day holiday. Unknown to Smith, Jessup and his partner, Ross King, had a large cache of ivory tusks in the jungle, and he had told Phil about it. Meanwhile, Mary Smith has decided to steam-boat down the Congo River to Capetown for an extended holiday. Kuba, King's gun-bearer, asks Smith to write a letter to King, currently residing at a New York City Explorer's Club, and advise him that his partner has died. Talbot sends a letter to his stateside sweetheart, Diane Cameron, and her father, asking them to come to Africa and join him on an ivory-treasure expedition, and replenish their family-fortune lost in the recent stock-market crash. What Mr. Cameron and Diane don't know about Talbot is that his years in Africa have unhinged him...

A beautiful but unscrupulous female performer manipulates all the men in her life in order to achieve her aims.

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.

An estranged wife shows up after a nearly 7 years of disappearance -- thought to be dead, to prevent her husband from marrying his new love until someone kills her.

A reporter helps the police investigate the murder of a disagreeable and philandering actor who is found strangled to death in his theater dressing room with its door and window locked from the inside.

A young man finds himself attracted to a cold and unfeeling waitress who may ultimately destroy them both.

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

A man listens to his wife and fakes his own death so that she can get her hands on his insurance policy.