A charred corpse leads Berthaud's police team to the door of lawyer Josephine Karlsson.
Laure is disciplined for her use of force on a suspect and comes into conflict with Clement over his compromising newspaper interview.
Laure's net is closing in on Aziz, but she still has to call in a favour from Roban.
Rachid is dead, causing problems for both Karlsson and the police.
Samy arrives from Special Branch to help with the investigation into the Larbi family.
Samy goes deep undercover with the Larbi gang, and the police are closing in on Aziz.
Samy's undercover mission nears its conclusion. Is Samy really who he says he is?
As the police sting reaches its endgame, the stakes are incredibly high for Samy.