Berthaud and her team stake out the Turkish restaurant that the Kurdish suicide victim was known to frequent, and uncover what appears to be an organised work crew of illegal immigrants. Judge Roban uncovers more inconsistency in the investigative procedure in the case of a senior colleague. Josephine Karlsson invites Clement to her sister's wedding where she has a major confrontation with a family member.

At a top-level police meeting called when a youth is shot dead in a drive-by killing, Herville boasts that his unit is already investigating a gun-running case and will have arrests within 24 hours. Karlsson visits Riffaut's new hideout and overhears the gang planning a kidnapping. Clement is called to a judicial review with Jorkel and the wife of Jorkel's missing business partner. Berthaud asks Judge Roban to take on the gun-running case.