Celestine, the chamber-maid, has a new job in the country, at the Lanlaires. She has decided to use her beauty to seduce a wealthy man, but Mr. Lanlaire is not a right choice: the house is firmly controlled by Madame Lanlaire, helped by the strange valet Joseph. Then she tries the neighbour, former officer Mauger. This seems to work. But soon the son of the Lanlaires comes back. He is young, attractive and does not share his mother's antirepublican opinions. So Celestine's beauty attracts Captain Mauger, young Georges Lanlaire, and Joseph. Three men, from three different social classes, with three different conceptions of life. Will Celestine be able to convince Georges of her sincerity?

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 young woman receives an invitation from the Governor of an island prison to spend a week with him. She does so, but conceals the fact that her husband is being held as a convict on the island.

Inspector Cassin, a renowned Paris detective, departs to the country for a much-needed break. There he falls in love with the innkeeper’s daughter, Nanette, who is already betrothed to a local farmer. On the evening of their engagement party, Nanette and the farmer both disappear. Cassin takes up the case immediately to discover what happened to them and who is responsible.