Ali D' Apleiaz is about to compete in one of the most dangerous sailing races, when she suddenly learns about the unexpected, mysterious death of her stepfather. Returning hastily to her ancestral home to meet her five sisters, she discovers that her father - the mysterious billionaire affectionately called Pa Salt by his daughters - has left each of them a tantalizing clue to uncover their true origins.
Meanwhile, Ali has recently embarked on a deeply passionate love affair that will forever change her destiny. Now, however, that her life has been turned upside down, she decides to leave the open sea races behind and follow the clue left by her father, which leads her to the icy but stunning Norway...