Between 1943 and 2003 nine people have been stabbed to death with a mostunusual weapon a trident. In each case arrests were made suspects confessedtheir crimes ... » 

Between 1943 and 2003 nine people have been stabbed to death with a mostunusual weapon a trident. In each case arrests were made suspects confessedtheir crimes and were sentenced to life in prison. One slightly worryingdetail each presumed murderer lost consciousness during the night of the crimeand has no recollection of it. Commissaire Adamsberg is convinced all themurders are the work of one person the terrifying Judge Fulgence. Yearsbefore Adamsbergs own brother had been the principal suspect in a similarcase and avoided prison only thanks to Adamsbergs help. History repeats itselfwhen Adamsberg who is temporarily based in Quebec for a training mission isaccused of having savagely murdered a young woman he had met. In order to provehis innocence Adamsberg must go on the run from the Canadian police and findJudge Fulgence. «