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.
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.