Beautiful and brilliant, Josie and Jack Raeburn are closer than they should be and have more freedom than is good for them. However, as their father becomes more unpredictable they are forced to leave his isolated house, and face a world for which they are utterly unprepared. Jack's love for Josie has always been her safety-net. However, as he grows wilder and more dangerous, she finds herself struggling: should she escape his control, or help him? It is only when they become involved with Lily, a rich and beautiful heiress, that she understands what she must do.