In hideout under the windows of the apartment of the nephew of a deputy, Place de la Contrescarpe, Kehlweiler suddenly notifies a funny thing on the grid of a tree. a small whitish waste amid dog excrement. No doubt, this is a bone. And even a human bone ... Naturally, when Kehlweiler brings his find to the police station of the 5th district, cops laugh in his face. But this small piece of bone obsesses so he abandons his Parisian spinning and follows a trail to Port-Nicolas, a remote village at the end of Brittany. There lives a pit bull. A dirty beast that would swallow anything. Including a dead end. It remains to find the corpse. And the killer. That Kehlweiler embedded in a totally crazy investigation, in which the Vandoosler family will once again play a leading role to help patiently reconstruct the history of this bone, even in a small village where the past will resurface Commissioner in the guise of a local far-right politico. Fred Vargas still gratifies us a gallery of outsized characters that intersect and intertwine to unexpected ending also in its other thrillers. To consume without moderation ...