Episode list

A third girl has just been murdered during the holiday season. Commissioner Rousseau does not believe in the serial killer hypothesis about which newspapers love to fantasize. At the same time, Mariella De Luca, young and mysterious female inspector, joins the team of Rousseau. The two policemen join force to solve an enigma originating in Italy, during the Years of Lead.

The head of a famous artist with a sordid past is found in the catacombs in Paris. In his studio, Commissaire Rousseau and the young profiler Mariella De Luca discover a second decapitated body, not his wife's. The mystery deepens when another head is found a few days later.

In the doorway of the neighborhood's most-renowned bakery, a young student collapses, shot dead. It's an inexplicable murder.