A hundred years ago, some workmen discovered an elegantly furnished room in the tunnels under the Opera Garnier in Paris. It contained the compositions and instruments of the legendary Phantom of the Opera, although these effects were soon to be dispersed amongst the city's antique shops. Now, a century later, young Christelle must uncover the secret of the violin which has come into her hands, discover the origins of the esoteric music which emanates from the strings, and find a way to return it to its original owner before she is destroyed by its influence. She is aided in this by Kyriel, a mysterious young man who knows more about the legend than he will admit. Together, they will journey to the heart of Paris, with its iconic buildings and foul catacombs, to find out the truth about the Phantom of the Opera. Her violin holds the secret...