An infamous green diamond is being exhibited in Paris. On the very day the exhibition opens to the public, the security chief is found dead, his skull smashed in, and the diamond has mysteriously gone missing.

An infamous green diamond is being exhibited in Paris. On the very day the exhibition opens to the public, the security chief is found dead, his skull smashed in, and the diamond has mysteriously gone missing.

An infamous green diamond is being exhibited in Paris. On the very day the exhibition opens to the public, the security chief is found dead, his skull smashed in, and the diamond has mysteriously gone missing.

The charred corpse of an Iranian man is found in his house. Is this a case of spontaneous combustion or a diabolical crime?

The charred corpse of an Iranian man is found in his house. Is this a case of spontaneous combustion or a diabolical crime?

Raphaelle escorts a repatriated serial killer on a plane, but he dies mid-flight, the victim of decompression sickness. By phone, Astrid helps her obtain proof that she's dealing with a murder and that the culprit is on board!

Raphaelle escorts a repatriated serial killer on a plane, but he dies mid-flight, the victim of decompression sickness. By phone, Astrid helps her obtain proof that she's dealing with a murder and that the culprit is on board!

A man's body is found in a park with multiple stab wounds. But when the coroner comes back with a categorical verdict of suicide, our two detectives find themselves faced with a crime that defies the laws of both science and ethics.

A man's body is found in a park with multiple stab wounds. But when the coroner comes back with a categorical verdict of suicide, our two detectives find themselves faced with a crime that defies the laws of both science and ethics.

During a prestigious chess tournament, one of the players who's favored to win collapses, poisoned to death in the middle of a match. Astrid and Raphaelle realize they're in the midst of a chess competition - to the death!

During a prestigious chess tournament, one of the players who's favored to win collapses, poisoned to death in the middle of a match. Astrid and Raphaelle realize they're in the midst of a chess competition - to the death!

A famous environmental activist is murdered in public by a young woman, who is arrested on the spot. But the plot thickens when the culprit tells our two heroines she's from the future.

A famous environmental activist is murdered in public by a young woman, who is arrested on the spot. But the plot thickens when the culprit tells our two heroines she's from the future.