At 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.

Camille 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.