Pierre must face the possibility that some of his nearest and dearest could be implicated in the murder case he is following, which is now linked to some very high-ranking names. Laure Berthaud's team investigate the apparent murder of a baby by his babysitter, while ambitious young lawyer Josephine Karlsson is recruited as the public half of a new legal partnership.

The web of names involved in the brutal murder of Elina Andrescu widens to include a prominent ministerial adviser, who has links to prosecutor Pierre Clement's close friend Benoit Faye. Lawyer Josephine Karlsson and police captain Laure Berthaud come face to face in court when Laure becomes the object of an enquiry into the fatal shooting of two police suspects.