Eight-year-old Carmel Wakeford becomes separated from her mother at a local children's festival, and is found by a man who claims to be her estranged grandfather. He tells her that her mother has had an accident and that she is to live with him for now. As days become weeks with her new family, Carmel realises that this man believes she has a special gift - that she is potentially a saviour. While her mother desperately tries to find her, Carmel is sent on an extraordinary journey: one that will make her question who she is - and who she might become...