Paris, 1991. Franck Magne, a youthful reviewer who made the primary strides in the Judicial Police, 36 Criminal Brigade. His first examination concerns the murder of a young lady. His work has driven him to examine comparative cases, however he is the special case who associates him. He is immediately faced with the truth of investigative work: absence of assets, time, administration … For a long time, fixated on the examination, he will take after the serial executioner. Over 10 years, the casualties increased. The pieces are foggy. Fierce violations are coming. Franck Magne takes after the beast to stop him. The Criminal Brigade Officer turns into the most intricate and biggest draftsman at any point known by the French legal police examination. He will stroll with Frederique Pons, an energetic legal advisor, resolved to comprehend the predetermination of the man behind this savage executioner.