It returns six months after the shocking finale of Season 3, and the team must overcome their grief to tackle a dangerous crime wave.
This time, the gloves are well and truly off for Professor T in his lectures and a new musical pursuit, romance is very much alive for his mother Adelaide Tempest (De la Tour), and the lines between professional and personal become blurred for th...
Astrid and Raphaëlle are back for a new round of investigations that will see them team up with the secret services, pursue a professional killer, rub shoulders with Mormons, the horse racing world, the last descendant of an Aztec tribe, a Buddhist temple, a film set and even confront a criminal who dangerously transforms under the full moon...