Cécile Bazin, director of the zoo, is found dead in the cheetah enclosure. Despite the bite marks, it was not the cheetah that killed her. Would we have wanted to make believe an accident by letting the beast enter the enclosure when he should have spent the night in his dressing room ? Léa and Paul discover that Cécile did not lack enemies. She had received hundreds of threats since the announcement of euthanasia of a baby cheetah born with a genetic defect. Was she killed to save the animal ?

Little Leonore is abducted from the nursery during the nap. A real race against time is committed for Leah and Paul, who must find the child as soon as possible. Leonore's family situation may not be alien to the kidnapping. Indeed, the parents of the little one are fighting for his custody, the father wishing to bring his daughter back to his country. Did either of them remove the child, lest the judgment be favorable to him ?