"Ally D'Apliese is about to compete in one of the world's most perilous yacht races when she hears the news of her adoptive father's sudden, mysterious death. Rushing back to meet her five sisters at their family home, she discovers that her father--an elusive billionaire affectionately known to his daughters as Pa Salt--has left each of them a tantalizing clue to their true heritage. But the timing couldn't be worse: Ally had only recently fallen...