Lyès makes a risky play to bait Murillo, but Ali retaliates. As Internal Affairs closes in on his team, a shocking discovery turns the case on its head.
Murillo makes his move. Determined to get dirt on Lyès, Miranda presses Arno and Tatoo. A past romance is brought to light while Alice is undercover.
Alice's true motives are revealed. Lyès chases new leads and has a rendezvous with Ali; Murillo escalates matters by kidnapping a member of the team.
Bakari goes missing. After visiting Peretto in prison, Lyès and Alice go to Spain. Commissioner Fabiani fends off Internal Affairs over a tense lunch.
Assigned to "clean up" the precinct, Miranda questions Lyès, Alice and the team. Ali Saïdi returns for his nephew's burial, determined to get answers.