Following on from The Seven Sisters, this is the second book in a spellbinding series of novels based loosely on the mythology surrounding the famous constellation. Each one follows the story of one sister, and each book opens at a beautiful chateau on the shores of Lake Geneva. The sisters gather together when they are told that their beloved father, an elusive billionaire they knew as Pa Salt, has died. He adopted them from across the globe, and now they are each left with an envelope, which holds a clue to their past, and a set of coordinates engraved on an armillary sphere, showing where their father found them.The Storm Sister tells Ally's story. A talent sailor, Ally is competing in one of the world's deadliest races when tragedy strikes. This leads her to leave her life on the beautiful Mediterranean waters and follow the clue her father left her to a museum in Norway, where she begins to discover her past - and the story of a young woman, Anna, who lived there over 100 years before - and her links to the composer Edvard Grieg and his famous music to accompany Peer Gynt . . .