The Eternal Conflict between the Light and Dark once again blackens the skies and blights the land as the ancient gods of Celtic mythology return and technology becomes redundant. On one side stand the Tuatha De Danaan, golden-skinned and beautiful, filled with all the might of angels. On the other are the Fomari, monstrous devils hell-bent on destroying all human existence.

And in the middle are five flawed individuals, determined to use the strange power that binds them to the land in a last, desperate attempt to save the human race.