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

A criminal psychologist tries to clear his patient of arson charges.

While on vacation, a criminal psychologist investigates a murder during a typhoid epidemic.

While visiting France, a criminal psychologist tries to clear a disturbed young man of his father's murder.

A criminal psychologist tries to help a beautiful heiress going mad in a haunted mansion.

A criminal psychologist treats an artist whose blackouts coincide with a series of murders.

The Crime Doctor gets involved in the case of the poisoning of a wealthy industrialist.

When police is about to apprehend a famous gang of bank robbers, an elite sniper opens fire from a roof, thus facilitating the flee of his accomplices. However, one of them is seriously injured, which compromises the plans of the thieves.

After a woman's at-home DNA test reveals multiple half-siblings, she discovers a shocking scheme involving donor sperm and a popular fertility doctor.

A criminal psychiatrist investigates the murder of a two-time widower.

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Seven men, after getting acquainted in prison and finding out that all of their lives have been affected by the same con man, decide to raid the fraudster's life savings.