Teenager Hugo Delage dies while diving in the Calanques National Park of Cassis. A simple accident? The Juvenile Protection Unit is immediately put on the case. They soon find out that Hugo wasn't alone on top of the cliff. What if someone pushed him off? While investigating, Mattei catches up with an old friend, Karine Legrand, manager of the equestrian club where Hugo spent all his spare time. A love story begins to grow, all too soon crippled by the inevitable suspicions that weigh upon her. Eloise has been found guilty and assigned to live in a juvenile detention center. Mattei is worried, given how destructive his daughter's behavior can be and knowing that the slightest slip could land her in prison.
—Happy_Evil_Dude