Sezóna 4Purpurové řeky
Epizody
1. Kovenkore (1)
19. září 202252 min7.2A school bus is hit by a train. Niemans and Delaunay investigate a chain of murders. The murderer leaves a claw mark.
2. Kovenkore (2)
19. září 202249 min6.8A school bus is hit by a train. Niemans and Delaunay investigate a chain of murders. The murderer leaves a claw mark.
3. Anima Obscura (1)
26. září 202252 min8.2At an art school, a student is found dead, drained of her blood. Niemans and Delaunay are called in to investigate. As the strange deaths at the art school continue, the suspicions turn against the teacher Lilith.
4. Anima Obscura (2)
26. září 202252 min7.5Camille Delaunay is invited by Chloé to investigate a murder in the thick of the woods. Psychologist Eva, Chloé's childhood friend, helps them. Niémans comes to help Camille and solve the ritual murder.
5. La dernière vague (1)
3. října 202252 min7.0Niemans and Delaunay escort a serial killer - Philippe Cernac, known for hunting his "prey" with a bow - to an experimental prison/treatment centre where psychopaths of all kinds are dealt with... Cernac escapes, but caught by Niémans, who's still trying, with his partner Camille, to find the killer.
6. La dernière vague (2)
3. října 202252 min6.2
7. La scène (1)
10. října 202252 min7.5Camille Delaunay is invited by Chloé to investigate a murder in the thick of the woods. Psychologist Eva, Chloé's childhood friend, helps them. Niémans comes to help Camille and solve the ritual murder.
8. La scène (2)
10. října 202252 min7.5Niémans comes to help Camille and solve the ritual murder.