Violanta is anxious to avenge the death of her sister Norina, who committed suicide after being seduced and abandoned by Prince Alfonso. Violanta attracts Alfonso to her palace to have him killed by her husband, Simone Trovai, but once in his presence, she discovers a man tormented by unhappiness and remorse, and she falls in love with him. Aware that she cannot escape the fate of death, she will call Simone and receive the fatal blow in place of Alfonso.
Violanta is Korngold's second opera; the composer wrote it at the age of 17 (1914). The setting in an imaginary and decadent 15th century Venice reflects the fascination at that time for the Renaissance age and for the themes of passion and death. Korngold's music, with very refined orchestration, perfectly paints the contrast between the dark and deadly atmosphere of the oppressive world which Simone forces upon his wife, and the sudden glimpses of life, sensuality, and passion brought by Alfonso, making Violanta one of the masterpieces of the early 20th century.