Turn-of-the-century Naples. Salvatore Ruotolo and his wife are murdered and their bodies are found in different locations. Since the evidence points to a crime by the Neapolitan crime organization, the Camorra, fear and corruption cause serious hindrances to the investigation by police authorities. In charge is a young and courageous judge who, using evidence discovered by chance, tries to reconstruct the story of the double murder. The plot that the judge must unravel is very complicated.