The great tenor Arnaldo Vezzi is found dead in his dressing room at the Teatro San Carlo.
Ricciardi investigates the murder of a card-reader who also worked as a loan-shark in the poor neighborhood.
Ricciardi is called to investigate the murder of a Neapolitan noblewoman.
The body of Matteo Diotallevi, one the many children living in the streets, is found near Capodimonte.