Seven sisters. Wind sister

Alli Deplesi is going to take part in one of the most dangerous yacht races in the world, but suddenly receives the news of the death of his adoptive father Pa Salt. She is in a hurry to the house of childhood, where five of her sisters gather to open the will. It is found that each of them Pol Salt left encrypted tips about the secret of their birth. But are they ready to solve this rebus?
The story of Alley’s birth is amazingly connected with the fate of the singer Anna Landwick and the famous play "Per Gunt", written more than 150 years ago.
Allley goes towards the icy beauty of Norway, where, as she believes, riddles of not only her origin, but also the personality of the great traveler Pa Solta and ... the seventh sister, whom Polt at one time could not find