Un mystérieux commanditaire

Keller, Nadia, and Garance are doing everything they can to find Stella. Stella, who's Eliott's captive, realizes that he is seeking revenge for his mother's death. Keller, convinced that a mysterious mastermind is pulling the strings behind Eliott's actions, begins to suspect Adrien. Nadia realizes that the Zodiac's new crimes are linked to an old rape case.