The famous Giuseppe Verdi, impressed by Carolina's talent, offers her the role of Fenena in ‘Nabucco' through Crescenzi. Nevertheless, Carolina is determined to join Enrico on the battlefield against the Austrians. This is why Maria undertakes to protect her, trying to persuade her not to give up music and to seize this extraordinary opportunity. Meanwhile, Antonia strives in vain to usurp the role intended for her sister. Carolina, in the midst of these tensions, is faced with a new and profound realisation.