Julia never had a real family until meeting Theo and Valera. Now that they are united by the Trinity Key, they are plagued by nightmares. Danu, the goddess of Aether, is in agony and calls out to them to free her. However, the Elders who rule Aether don't want to give up their power and warn the girls to stay away from Danu's tomb. Julia must decide whether to trust the Elders or to follow her instincts and unleash Danu upon the world.