Two sisters are parted shortly after birth to protect them from those who had killed their parents. The youngest, Ashling goes in search of her sister after having visions of a Great Battle and the death of her beloved, Arion. She finds her sister Aisline and her mate Herne. They go on a journey thru strange lands and become teachers to a young faery, Ainae. Together they encounter spirits of the Underworld, unforsaken lands and hideous creatures. Spells are cast and potions created to help protect themselves. A new king is found for Ashling.