Troubles are piling up at the DIPJ in Lille: Morgane completely messed up her police exam paper, Karadec finds himself, despite himself, associated with the accidental death of Morgane's mother-in-law, and to top it all off, Céline's son is accused of murder in the current case! Stripped off the case, the commissioner tries everything to clear her son: a Murder Party with the whole team!

• Alice Chegaray-Breugnot
• Nicolas Jean
• Stéphane Carrié

• Christopher Bayemi
• Cypriane Gardin
• Audrey Fleurot