Nerin is a creature of the ocean . Her name itself means the daughter of the sea ,but her loyalty belongs to the twins she would die to protect .Trapped in a iron cage by a ruthless empire , she counts down the minutes until the night sky awakens her supernatural powers She has on goal: shatter her cage ,escape the soldiers and reach the sand dunes to find her friends who are her only living family But the desert holds far more secrets than the ocean To survive Nerin must unleash her powers and face the HIGH COMMANDER for whom duty is absolute .