Emmeline and Lucas are convinced they are safe from Lady Aisling and her soldiers…for now. But one night, Emmeline’s imprisoned shadow, Dar, warns them that they will soon be apprehended. They try to ignore her, but the next night Lucas’s parents are captured and Lucas, Emmeline, and Dar barely escape. With nothing left to lose, Emmeline and Lucas recruit other children with magical abilities to march against Lady Aisling and free those she has taken captive. But then Dar escapes, and they find themselves watching their backs as they plan their attack.