From the outside, Hannah Eaton seems to live a charmed life in wealthy Palm Beach, Florida, with her mother, Willow, a renowned psychologist, and her stepfather. But deep inside, she is miserable and lonely. She's been abandoned by her father, a pretentious lawyer whose family wants nothing to do with her. Now, the arrival of a new baby brother has consumed her mother, who is obsessed with caring for the sickly infant. And so, Hannah slips further into the shadows....