An airliner makes a forced landing at night in the desert. The passengers and crew take refuge in a nearby deserted house. Soon some of the passengers are found murdered, and one of the passengers reveals himself to be a detective who was guarding one of the murdered passengers, who was carrying a bag of diamonds--which is now missing. The detective must find out which of the passengers is the killer.
A young couple finds themselves mixed up with mobsters planning to rob a warehouse.
The female head of a criminal gang in Chinatown is after a valuable jewel, and lets nothing stand in her way of finding it.
Philip Wells and his wife Helen argue a lot about the attention that Philip thinks Helen and his best friend, Dave Burton, are giving each other, but they all sail off together on Philips yacht, until "Gorilla"Larsen and his motley crew show up, scuttle the yacht, and marital-strife is no longer the issue of the day.
A young woman trying to obtain proof that a gangster committed a murder is befriended by a playboy who drinks just a bit too much.
Barbary Coast, San Francisco. The gangster moll Belle gets deeply entangled with gangsters led by her boyfriend Vance. The professional writer John Banning understands why Belle got involved with these criminals. Banning tries to help her get out of that seedy life. However, It is not easy. A lot of action and violence ensues before Belle eventually succeeds.
The three Morgan brothers, Glenn, Jim and Buddy are all air mail pilots. The plane flown by Jim is shot down by Hugh Jeffries for the money it carries. Another flight is made by Buddy followed by Jeffries intending to shoot him down also...
A young writer saves a desperate young woman from committing suicide. They eventually fall in love and marry, but their marriage faces some serious roadblocks.
When a boxer is murdered a newspaper reporter tries to frame the boxer's sister, a nightclub owner, for the crime.
A young man, framed and sent to prison for a crime he didn't commit, is released after serving his stretch and vows to find those responsible for framing him. Meanwhile he sets up a mission in the slums he came from, and falls in love with a girl he meets there.
A rookie cop falls for a "taxi dancer" in a dance hall, but his father has strong objections to the relationship.