Book is in French The cult series offered in a brand new format! . After the death of their father, an enigmatic billionaire who adopted them all over the world, Ally of Aplièse and her sisters find themselves in their childhood home, Atlantis, a castle on the banks of Lake Geneva. As an inheritance, they receive a mysterious clue which will allow them to unlock the secret of their origins. . Ally, the second sister, has a tempestuous temperament, she is a sailor and a musician. When a tragedy hits her, the young woman decides to follow in the footsteps of her origins. The clues left for her by her father will lead her to the heart of the Norwegian fjords. Surrounded by the beauty of her native country, Ally discovers the intense history of a line of virtuosos celebrated for their talent, a century earlier. A family with heavy secrets