Hartley Gable has lived most of her life in hiding because of what she is and could become. As she nears her eighteenth birthday, she's coming into her powers, abilities that she's both doubted and long denied. As danger looms near, she's forced on the run again with her guardian to train in hiding.

Bex Mason's father has been trying to find Hartley for years. But when Bex finds out his father's plans aren't as innocent as he thought, he must warn Hartley and try to protect her at all costs.

Should Hartley trust the boy who climbed through her bedroom window? And can she find the strength to face her destiny and save both her and her people?