Gille Kilmarsson is a mastersmith and musician in a quiet northern town. But he yearns for something more. When he saves a Southern merchant ship from the savagery of the corsairs, he takes as his only reward an old musical instrument. And his life changes forever.

For the instrument has an ancient, magical past and it soon leads Gille and his companion, Olvar, on an amazing voyage of adventure and discovery. A voyage in which they must confront not only the mysteries of the sea but also a ruthless, barbaric tribe intent on massacring an ancient people fleeing the encroachment of the restless Ice...