A German village is stricken by a series of murders that appear to be the work of vampires.
A dying millionaire marries his nurse for companionship, only to experience a miracle cure.
A drifter claims the money in an old bank account. Soon he finds himself the target of two men who turn out to be the sons of the man's old partner, who is now in prison because of a conflict with him over the money in that account.
A private detective is hired to find a young heiress but finds himself accused of murder.
A reporter sets out to prove that his girlfriend was framed and sent to prison.
A private detective and a blonde acquaintance whom he has rescued from a misdirected murder charge, discover a body in his beachside cottage; only it has disappeared by the time the police arrive, leaving him to be charged with hoaxing the police. With his license in jeopardy, his would-be fiancee and an inquiring reporter set out to investigate.
In the 7th film of the "Crime Doctor" series based on the radio program, Dr. Robert Ordway is summoned to take attend a diabetic, and gives an injection of insulin taken from a bottle in the patient's pocket. The man dies and Ordway discovers that what he thought was insulin was really poison. Oops! Two other people are murdered before Ordway discovers who replaced the insulin with poison and what the motive was
In this drama, a trucker's business is nearly destroyed after he is wrongfully accused of killing a policeman with whom he recently quarreled.
A guilt-ridden man blames himself for his wife's death and secretly pays an assassin to kill him. But then he finds out that his wife isn't dead at all. And now the assassin is on his trail, with no way to call off the hit.
A district attorney and a reporter try to find the killer of a D.A. who uncovered a massive stock fraud.
Its 1850 and California is under ruthless military rule. Kirby Tornell's rancho has been taken over by soldiers and when two of Kirby's men are captured, he goes there to free them. He meets the General's daughter there and attracted to her, repeatedly returns to see her. Eventually he is captured and now his men must try and rescue him.
John Raglan is a seal hunter being hounded by hijackers, so he strands himself on an isolated island in the Bering Sea that is owned by a corporation. During a fierce sea-storm, Raglan rescues the passengers of a floundering ship, which includes the owner of the island, his daughter and her fiancée. The owner threatens to charge Ragland with poaching on private property, and then a gang of seal-skin thieves make an entrance.
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.
Gangsters scheme to get rid of a crusading District Attorney by blackmailing him through his daughter.
An unprincipled hustler who makes his living getting--or making up--evidence in divorce cases finds that he's framing his own daughter.
The Crime Doctor gets involved in the case of the poisoning of a wealthy industrialist.
A newspaperman Paul Cluett (Jack Holt) gets rival reporter Linda Lawrence (Mae Clark) to admit that she is investigating a story in Morocco that guns are being smuggled illegally.
A criminal psychiatrist investigates the murder of a two-time widower.
George Storm is a reputable construction engineer but his life changes the moment a bandit trio holds up the company payroll car. And that is because the daring holdup is successful because the gang leader, Tom Farrow, is an exact-double for Storm.
The evil and masked "Gargoyle" is sabotaging all of America's industrial plants. It is up to the Spider to save the country.