Paul Planchon

Two middle-class couples compete with each other by providing false information about their respective situations in order to dazzle each other into marrying their two children.

On a night with a full moon and a storm, Laure, still a child, is awakened by the tears of a young woman who has entered her room. At first intrigued, the child approaches the stranger then snuggles into her arms. Suddenly, a scream tears through the night. The housekeeper rushes into Laure's room, collapsed. The strange creature has fainted while drops of blood flow down the child's neck... The years have passed. One autumn evening, a group of travelers whose sedan was in an accident entrusted to the baron, Laure's father, a strangely beautiful young girl. Her name is Carmilla...

Gédéon, the Count of Niedeck's gamekeeper, visits Dr. François to invite him to the chateau. He explains that his master has suddenly gone mad during a change of moon. En route, the two men meet a strange old woman who lives in the woods. Gédéon explains to the doctor that whenever this woman prowls around, the Count is plagued by dementia. Once there, the doctor treats the Count and calms him down. The Count has a daughter, Odile, whom he clearly hates. One evening, a mysterious traveler arrives.

The series follows the adventures of lighthearted Jean-Paul Moulin, a police Commissaire, and his team as they solve crimes.

The Cordier fight in family against the crime: the father is police captain, the son, investigating judge and the girl, a journalist.