Lux is just an ordinary girl trying to live her life. But when a mysterious stranger appears one day, her world is turned upside down. She is thrown into a world she never could have imagined with danger at every turn. Lux discovers she is the guardian of the Atlantean key. But what does that mean exactly? Lux and her new-found friends embark on a dangerous mission they never asked for, running from a madman more terrifying than their worst nightmares. Will their little band of unlikely heroes be enough to overcome the dark forces awaiting them along the way?