The mayor is found dead following a fall from the Clairies bridge. Servoz, in shock, absolutely does not believe in the thesis of a banal accident. He makes Emilie listen to the last message he received from Florence: she felt in danger. Definitely, everything brings them back to the Clairies 3000 project and Émilie and Servoz decide to question Jourdan. Émilie tries in vain to reach Alexia, who has suddenly disappeared! She does not know that Alexia has been the victim of an attack, a clear message of intimidation which has only the opposite effect: her desire to derail the real estate project is all the more determined! Émilie discovers photos where Boris takes cocaine the evening of the fire. Has the champion been blackmailed?