In a nocturnal and hostile Rome, Valerio must investigate the death of his son, an apparently suicide. An investigation that's also a last chance to restore a bond with that son he hadn't seen in years, facing the ghosts of the past.
The story of the friendship of seven talented young musicians enrolled at the Giuseppe Verdi Conservatory in Milan contending with the rules and discipline of a very tough conductor who demands the best from them.
The protagonist of the series is a young dragon named Grisù that, despite being the youngest of a large breed of dragons, the Draconis, dreams of becoming a firefighter.