内容简介：
Laura Principle investigates the case of an eleven-year-old boy who has murdered his foster mother. The child, Daryll, has confessed to the killing: now his elder brother wants to find out what has turned him into an apparently ruthless killer. But as Laura becomes increasingly involved in Daryll's background, she is forced to confront some disturbing questions. And that's not all. Someone is standing in the shadows, watching Laura's every move...