Publisher's Synopsis
For as long as she can remember, Rio has dreamed of the sand and sky Aboveof life beyond her underwater city of Atlantia. But in a single moment, all Rios hopes for the future are shattered when her twin sister, Bay, makes an unexpected choice, stranding Rio Below. Alone, ripped away from the last person who knew Rios true selfand the powerful siren voice she has long silencedshe has nothing left to lose.