Rosanna Menici is just eleven years old when she meets the man who will change her life forever. Rosanna's life-long dream is sparked when she is captivated by the voice of a family friend, Roberto Rossini, who is training as an opera singer. For Rosanna herself has a haunting, unforgettable voice. At the age of sixteen heads for Milan and the glittering world of La Scala. There, she meets Roberto once more, and they embark on a fiery, passionate love affair and a performing partnership. But Rosanna discovers that her relationship with Roberto must be all or nothing...