A renowned astrophysicist is found struck down even though no storm had occurred at the time of his death. Social networks take over the case and cry conspiracy when we learn that the victim was about to divulge a state secret.

A young woman under the influence of a powerful drug is found unconscious, with a weapon with her that was used to commit a crime twenty years earlier in a small Native American community from Canada. Who is this young woman and how did the weapon end up in her hands?

A fashionable photographer is found dead with a stake through his heart. The two investigators are past the age of believing in vampire stories and yet the case seems to be linked to the victim's blood.

A biologist passionate about research into plant intelligence is found lifeless in a tropical greenhouse. His death immediately gave rise to the most fanciful speculations. Could the tragedy be connected to the research laboratory from which the victim had resigned abruptly a few years earlier? Astrid and Raphaëlle both lead the investigation...