Between internal struggles and protectionism of the Member States, Europol is struggling to carve out a place for itself in the field. When an informant from the European Criminal Police Agency is found with her throat cut in her Paris apartment, Commander Deniz Salvere conducts the investigation. Not only does he want to find the young hacker's murderer, but above all, he wants to prove to his hierarchy that the threat is coming from the heart of Europe, from radical white nationalists, whose networks are spreading in secret.