Alison is lucky and she knows it. She has the life she always craved, including a happy home with Jeff and their brilliant, vivacious teenage daughter, Katherine - the absolute centre of Alison's world. Then a knock at the door ends life as they know it.
Lily was abducted from outside her high-school gates. For eight long years she's been locked away from the outside world. During that time she's changed from a girl into a woman. She's had a baby. And now she has seized her chance and escaped.