A renowned astrophysicist is found dead by lightning, but there was no storm at the time of his death. Social media seizes the case and shouts that it is a conspiracy when they learn that the victim was about to reveal a state secret.
Father Louis Desforges is found dead, stabbed in a monastery. Our two heroines soon discover that he was living under a false identity and that he was bearing stigmas.
A young woman under the influence of a powerful drug is found with a murder weapon, a murder which happened 20 years ago in a small Amerindian community originally from Canada.
A retired murderer is found dead in his psychiatric hospital room. Astrid and Raphaëlle will soon find out that it's a rather well thought-out organized crime from within the hospital.
A biologist who studied plant intelligence is discovered dead in a tropical greenhouse. She had left a research lab years before her murder, possibly connected.