When a rare diamond exhibited in Paris disappears, the security head's body is discovered, skull shattered. Investigators Astrid and Raphaëlle have a perplexing mystery on their hands.

After a man is found dead in his home, investigators Astrid and Raphaëlle determine he had been living under an assumed identity. They must uncover if this relates to his suspicious demise.

A convicted serial killer dies mid-flight under supervision. Evidence surfaces confirming the death resulted from an onboard assassination. The killer's handler, aided remotely realizes the perpetrator hides among the passengers.

Investigators puzzling over a suicide that challenges science. A corpse with stab wounds is found in a park but analyzes say it's a suicide. The crime defies ethics laws.

During a prestigious chess tournament, a favorite player is poisoned mid-match. Astrid and Raphaelle discover they are pieces in a deadly, life-sized chess game

A famous environmental activist is murdered in public by a young woman, who is immediately arrested. Things get tougher for our heroines when the criminal claims to come from the future.

The heir of a rich Breton family is found dead in a bar. Problem: he already died two years ago. Raphaëlle and Astrid travel to Brittany to uncover the darkest secrets of this illustrious family.

Raphaëlle survives a car accident with amnesia. A man lies dead beside her, shot to death. Is she guilty or innocent? Astrid and Nicolas attempt to help her recall events.