A crucified body is the start of an investigation of two sisters, a police and a Nostradamus expert, and better they hurry up because the first assassination will not be the last.

In Aix-en-Provence, a murderer is basing his crimes on Nostradamus' prophecies, with a first corpse found crucified in a cathedral crypt. Police chief Anne Guidicelli teams up with her step-sister, the historian Pauline Dorval, an expert on Nostradamus. But the two sisters have long been plagued by a family dispute.—Happy_Evil_Dude