When Samson Brion, an undercover cop, arrives in his native village in the depths of Brittany, fifteen years after having abruptly left it, most of the inhabitants see this return in a very bad light. Notably Lila Sept-Vents, an impetuous native entrepreneur, who is trying to save her online dating agency from bankruptcy. When a series of suspicious deaths strikes this quiet village, and Lila discovers that all the victims were clients of her agency, having a cop under her roof could prove invaluable.
Near the town of Longwy two adolescent boys were exploring an old steel factory when they discovered a corpse in a ventilation duct.The victim, was worker of this steel factory, union activist and also volunteer at the free radio "Lorraine Coeur d'acier" and died 40 years ago.Lorraine Coeur d'acier was the most important free radio in the winter 1978-1979 when 12.000 workers of the steel industries of Lorraine lost their jobs.
Manon, takes refuge in Paris in 1789. When the people rise up to change the established order and conquer their freedom, Manon's convictions are shaken.
Former judge, new investigator! Bordeaux, France. Antoine Mongeville, a former investigating judge, meets a Criminal Police's detective who he will have to work with. Despite their tense relationship and their opposed characters, they will realise that they are not so different...