After taking a few weeks off work, Casey is presented with a new foster child: 14-year-old Elise, whose Mum left her at just five years old. At first, she's no trouble at all, that is until she falsely accuses another carer, Jan, of acting inappropriately towards her. It turns out this isn't the first lie Elise has told – her previous carer was constantly following up allegations Elise had made of people bullying her, trying to have sex with her, or hurting her physically. With some reservations, Casey agrees to take Elise on long-term, but when she makes some dark claims about her mum, Casey doesn't know whether to believe her. In any case, she is determined to find out the truth...