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

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.

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.

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

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

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

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 psychologist investigates the murder of a veteran with amnesia.

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

FBI agent Neville Flynn boards a flight from Honolulu, Hawaii to Los Angeles, escorting a key witness to testify against a mob boss at an upcoming trial. An on-board assassin releases a crate full of hundreds of deadly venomous snakes in an attempt to eliminate the witness. Flynn and a host of frightened passengers and crew must band together to survive the slithery threat.

When her American lover visits London, a wealthy woman’s jealous husband hatches a plan to murder her and inherit her fortune.