Gilou is taken into custody, as his team looks on in dismay. Herville clashes with his superiors. The identity of Lucie Jaulin's biological father is finally established. Egged on by Edelman, Joséphine defends Tarek Ziani and engages in a power struggle with Roban. The police go ahead with their plan to catch Zacharie Gabbai, but the operation is a risky one - especially now that Gilou is out of action.
