The fate of a secret world rests in the hands of 14 year-old Emily Sylvester. Emily's boring life dramatically changes when she discovers that her mother's emerald necklace has mysterious powers. As Emily researches the legend of Atlantis for a school project, the magical emerald helps her to uncover a trail of clues that lead her to an amazing forgotten civilization. This ancient world is on the verge of being destroyed by a ferocious enemy from the past. Emily and a small group of her friends are asked to go on a quest to save this world. On their mission, Emily and her friends face constant dangers in a non-stop thrilling adventure. Can a group of young teenagers prevent an army of bloodthirsty creatures from defeating a mythical world?