One, two, three ... Lisa Dale shuts her eyes and counts to one hundred during a game of hide-and-seek. When she opens them, her four-year-old daughter Ella is gone. Disappeared without a trace. The police, the media and Lisa's family all think they know who snatched Ella. But what if the person who took her isn't a stranger? What if they are convinced they are doing the right thing? And what if Lisa's little girl is in danger of disappearing forever?