Nita, initially certain that she's going to be bored out of her mind, soon finds that the serene beauty of the Irish landscape is deceptive. The ghosts of men and beasts and other beings -- including what seem to be heroes, ancient gods, and even the Powers that Be -- confront her at every turn.

Along with a group of Irish wizards, Nita and Kit (who joins her in Ireland) go to battle with the Lone Power in yet another of Its many forms. The fight is a personal one, as always -- but this time there's more than usual at stake, as the ancient Enemy of life attempts to submerge the everyday Ireland in an older, more dangerous one: a place where human beings are fairy tales, and the legends and monsters of Celtic myth are a deadly reality....