There's something wrong with Phoebe

Phoebe Gold was abducted when she was thirteen years old in a forest near her home. Now, at the age of nineteen, she has been found on a street corner after being dumped there by her abductor. But this girl is different to the one her family knew six years ago. She seems to be hiding something, but then so does everybody around her. There's something wrong with Phoebe.