After his car blew up, Theo was taken to hospital in a critical state. Caplan and Morlighem go to Vogel's place, determined to avenge their companion. Vogel finds an ally in the shape of Orianne Beridzé, who also wants to eliminate Caplan. Her plan is to force her father, an ex-cop, to contact Caplan and put him on the tail of a trafficking network run by the Russian Mafia. Meanwhile, Roxane is deeply upset about Theo and watches over him day and night.