Thirteen year-old Scai goes from being an outcast orphan accused of being a witch to one of three children destined to save the world.
She’s not a witch! And when the people of her village accuse her of being one, Scai knows it’s time to leave. Her journey alone through the forests of Wales is terrifying until she meet Sir Dagonet, a brave knight who saves her from a menacing oak tree. Soon Dylan, a handsome squire, joins their party and then, best of all, Scai discovers that she has a sister, Bridget. From Sir Dagonet, Scai, Dylan and Bridget learn that they are the Children of Avalon, destined to save the world from the evil Nimuë, who is determine to find Merlin’s Chalice and kill them in order to rule the world. Scai and her companions only hope that their combined powers will be enough to stop her.