Anzor, a Chechen refugee helped by the Center is violently attacked in his home. A shocked Thibaut tries to understand what happened. Meanwhile, Hicham learn dark news from the city of Saint-Etienne where he grew up.

Thibaut starts working at the European Parliament in Brussels, where Anzor will soon be testifying. Hicham comes back to Saint-Etienne, the scene of his childhood, determined to uncover the truth about what happened to his cousin Marwen.