The investigation into the murder of a young lawyer from a well-known law firm leads the District inspectors to discover a fatal case of mistaken identity, but the many truths that emerge from the investigation will bring to light the firm's secret dirty dealings. The inspectors of the 10th Tuscolano investigate the origin of the bruises found on the bodies of three children, guilty of a small theft in a toy store. The case becomes complicated when the main suspect, the parish priest of the neighborhood, is found dead in his home.