Homicide Investigators Elisabeth and Paul find themselves in the middle of a family feud.

Elisabeth and Paul investigate the murder of a tour guide in a cave.

Ludovic Pessac, a young lawyer in his thirties, is murdered in his office. Deputy Prosecutor Elisabeth Richard and Gendarmerie Commander Paul Jansac are assigned to the case. A second murder is committed. Nicolas Monfort, a real estate agent, is found dead in a villa's swimming pool, his skull fractured. Shock ripples through Aigues-Mortes. Elisabeth and Paul don't believe it's a coincidence. Meanwhile, Paul Jansac reopens a two-year-old case: the unsolved rape of Clémentine Garcia. New DNA analysis identifies both victims as suspects. Elisabeth Richard and Paul Jansac will have to unravel a case that proves to be far more complex than it initially appears…

Elisabeth and Paul team up again when a dead body is discovered on a beach in Martigues.

Elisabeth Richard investigates the murder of Caroline Autiero in Maussane, in the Alpilles mountains. The young woman was photographing ancient ruins when she was shot in the head. Accompanied by Paul Jansac, Elisabeth questions Laurent, Caroline's husband, who owns an olive oil mill. He seems devastated by the news. On surveillance footage, investigators discover that Laurent and his wife had a violent argument a few days earlier.

During a hunt, Pascal Achard, a hunter in his forties, is murdered. Deputy Prosecutor Élisabeth Richard leads the investigation for the first time, working with Gendarmerie Captain Charles Jouanic. She is also assisted by Chief Warrant Officer Caroline Martinez. Who killed this man? And why? By delving into Pascal's private life, the investigators uncover the dark side of a seductive and manipulative man. Their investigation will lead them to unearth long-buried family secrets…

The owner of an upscale nightclub in Cap d'Agde is found murdered in her office. Deputy Prosecutor Elisabeth Richard and Captain Charles Jouanic initially suspect a robbery gone wrong, as her safe has been emptied. A second murder, that of a campsite manager found dead wearing a fox mask, intrigues them more. They suspect a man with whom he had a falling out and who was once the husband of the first victim...

In Saint-Affrique, a large commune in the Aveyron region, Pierre Loiseau, a wealthy livestock farmer, is murdered. Numerous leads are suspected, including his girlfriend whom he was about to leave, his jealous ex-wife, a rugby player, and a farmer who had good reason to resent him.

Marie Lemaire is poisoned with fentanyl at a dinner for an association of tradespeople. Her business was the largest glassmaking firm in town, inherited from her recently deceased husband, François.

Sébastien Lacassagne, 35, owner of a wine estate, was assassinated with a statuette in his house. The investigation conducted by Prosecutor Elisabeth Richard and Captain Caroline Martinez reveals many gray areas in the victim's life.

Au lendemain du 14 Juillet, le cadavre d'un jeune Youtubeur spécialisé dans les vidéos sur l'Histoire est retrouvé au premier étage de la tour Eiffel... Comment le tueur a-t-il pu agir sans être vu en plein feu d'artifice alors que les regards de la France entière étaient braqués sur la Dame de fer ? La capitaine Laura Giordano, encore marquée par la mort de son ancien partenaire, veut à tout prix mener l'enquête en solitaire mais elle est contrainte de faire équipe avec un nouveau venu à Paris, Mathieu Bellanger. Dans les coulisses de l'édifice, l'instable duo va peu à peu lever le voile sur l'histoire insoupçonnée de la tour Eiffel pendant la Seconde Guerre mondiale