Laure and Gilou sink deeper into taking illegal measures, risking yet more grave repercussions. Their former team member Tintin is tasked with investigating their methods. Meanwhile, Joséphine does her best to protect Lola. However, she proves to be a most uncooperative defendant - for reasons that Joséphine understands only too well.
Laure et Gilou aggravent leur cas en prenant l'argent de Solignac, seul moyen de pression dont ils disposent. Ce faisant, ils ignorent que leur ancien collègue, Tintin, passé à l'IGPN, les suit à la trace. Les manœuvres du tandem sèment la zizanie dans le réseau de blanchiment : Oury est enlevé...
