Having landed in prison, Lyès has a target on his back. On the outside, the squad faces a violent new gang making its presence known in Marseille.

In response to the violent events, Miranda heads up a task force to take down the gang. As Lyès awaits his prison transfer, he prepares a bold move.

As the walls close in on Audrey, Arno asks Beckerman for a favor. Lyès makes contact with his sister, and the Djaoui brothers test their new recruit.

Lyès finally gets to see the squad again. Ali receives a solid business proposition. Word gets out about the bust at Verlet's rental agency.

An explosive gold delivery brings multiple sides face to face as Ali's drug shipment hangs on his men's success. Miranda turns the screw on Lyès.

The team reels from the news of the latest death. Lyès receives on an urgent mission and Tatoo asks Assia for help before telling her to leave town.