When the sound of her own voice produces an inexplicable circle of silver light, Aria Dewhurst plunges into a mystical land where voices and the emotions they carry are actually visible, and the human voice holds the power to create, transform and heal. Trapped there in Allamgarn, Aria and her children will only be freed once she fulfils an ancient prophecy by singing the silver circle. The trouble is... Aria can't sing.