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.
The relatives of a rich old woman unsuccessfully try to have her declared insane, so they can divide up her money. To show them that there are no hard feelings, she invites them to her estate for the weekend so she can decide to whom she actually will leave her money when she dies. Soon, however, family members begin turning up dead.
Circumstances force naive Rita Adams into serving an unjust prison term, but she emerges from it a cynical criminal who rises to power in the local crime organization.
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.
The heartbreaking but hopeful tale of Danny Kenny and Peggy Nash, two sweethearts who meet and struggle through their impoverished lives in New York City. When Peggy, hoping for something better in life for both of them, breaks off her engagement to Danny, he sets out to be a championship boxer, while she becomes a dancer paired with a sleazy partner. Will tragedy reunite the former lovers?
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.
In this lurid melodrama, Tod Slaughter plays a villain who murders the wealthy Sir Percival Glyde in the gold fields of Australia and assumes his identity in order to inherit Glyde's estate in England. On arriving in England, "Sir Percival" schemes to marry an heiress for her money, and, with the connivance of the cunning Dr. Isidor Fosco, embarks on a killing spree of all who suspect him to be an imposter and would get in the way of his plans to stay Lord of the Manor.
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.
After World War I, Armistice Lloyd Hart goes back to practice law, former saloon keeper George Hally turns to bootlegging, and out-of-work Eddie Bartlett becomes a cab driver. Eddie builds a fleet of cabs through delivery of bootleg liquor and hires Lloyd as his lawyer. George becomes Eddie's partner and the rackets flourish until love and rivalry interfere.
Johnny Fraser leaves his mother in their small home town and sets out for the big city. He obtains a job with a large firm of architects. Steve Carson, a fellow employee, is constantly flaunting the money he has won at the race track. Johnny also bets the races, but loses heavily and takes some of the firm's money to cover his losses.
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 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?