The Ghost Riders of Ordebec

A woman outside the police headquarters warns of impending deaths, claiming her daughter has seen ghostly horsemen targeting wrongdoers in Normandy. These eerie visions, rooted in local folklore dating back to the Middle Ages, have begun to influence recent events when a notorious criminal disappears. Despite being outside his usual jurisdiction, Commissaire Adamsberg takes on the investigation into these mysterious and unsettling occurrences.