The popular B-flick team of Frankie Darro and Kane Richmond star in the slick quickie Headline Crasher. Little Frankie and Big Kane play a pair of roving journalists who investigate a politician (Richard Tucker) up for re-election. When it seems as though the politico is being set up for a fall by yellow journalists, Darro and Richmond try to get to the truth of the matter. The original story for Headline Crasher is credited to Peter B. Kyne, creator of the "Broncho Billy" western stories.
Drummond manages to save a woman from jumping in front of his car but she runs away with his car. He traces her and she asks him to help her out of a dangerous situation.
Aircraft are being shot down by a large black plane with a big "X" painted on the wing. The chief suspects are invited for the weekend to an old dark mansion.
Dan Adams resigns his position as prosecutor on the district attorney's staff and sets out to clean up a gang of fake-accident racketeers. He gets a job with an insurance company, and assures the company president he will get the goods on the gang or die in the attempt. At the company offices, he meets Carol Carter and she, believing he is a shyster (possibly redundant) lawyer in the employ of the racketeers gives him as little help as possible. Dan visits his brother Eddie, who is mixed up with the gang and tries to make him break away. Eddie is belligerent but finally, because of the pressure brought by Dan and his wife Tonia, agrees to go straight. The gang, led by "Duke" Trotti, fears he will squeal and they kill him, plus they make his death look like an accident and plan to collect on it. Dan is closing in on the gang when Carol, who is now his assistant, comes up with some conclusive evidence, but "Duke" has plans to get rid of her before she can give the information to Dan.
James Houghland, inventor of a new method by which television signals can be instantaneously sent anywhere in the world, refuses to sell the process to television companies, who then send agents to acquire the invention any way they can. On the night of his initial broadcast Houghland is mysteriously murdered in the middle of his demonstration and it falls to Police Chief Nelson to determine who the murderer is from the many suspects present.
A disparate group of people meet as passengers on a superspeed train crossing the U.S. Aboard are a seductive blackmailer and the stage director he intends to frame, a woman chasing her husband who is running away with the blackmail victim, and the stage director's feisty leading lady.
Holmes, retired to Sussex, is drawn into a last case when his arch enemy Moriarty arranges with an American gang to kill one John Douglas, a country gentleman with a mysterious past. Holmes' methods baffle Watson and Lestrade, but his results astonish them. In a long flashback, the victim's wife tells the story of the sinister Vermissa Valley.
Dr. Forti carries out strange experiments, assisted by his son Pablo. They embark on an expedition to the jungle. Eight years later Forti returns without his son but strange things start to happen in the old house where they live.
A mining engineer teams up with a crusty deputy sheriff to solve the mystery killings at an old mine where the owner's family waits for him to die, and where a valuable radium strike may have been made.
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.
A ghostly and deadly dinner party, which at first turns out to be an elaborate staging of a new play for the benefit of a Broadway producer, becomes a true mystery when the players start to go missing.
While vacationing in St. Moritz, a British couple receive a clue to an imminent assassination attempt, only to learn that their daughter has been kidnapped to keep them quiet.
The owner of a large mansion in the country throws a costume party for some of his friends. However, the party turns sour when he is found stabbed to death in a closet. The police and a guest try to discover who committed the murder.
Philo Vance, accompanied by his prize-losing Scottish terrier, investigates the locked-room murder of a prominent and much-hated collector whose broken Chinese vase provides an important clue.
Rival newspaper reporters Pat Morgan and Ted Rand find themselves unraveling the mystery behind the death of a millionaire philanthropist who fell from his penthouse balcony. When it is discovered that the plunge was not an accident, the building's residents come under suspicion. Soon, the body count begins to mount as three more murders occur by strangulation.
A handsome radio singer has it all--fame, money, adoring fans--but what no one knows is that his accompanist, a hunchbacked piano player, is actually the voice behind the arrogant, abusive "singer"'s fame. The two men fall for the same girl, and when the singer turns up dead, suspicion falls upon his assistant and the girl.
When a movie actor is shot and killed during production, the true feelings about the actor begin to surface. As the studio heads worry about negative publicity, one of the writers tags along as the killing is investigated and clues begin to surface.