When 18-year-old Rosie Anderson disappears, the idyllic village where she lived will never be the same again. Local gardener Kate is struck with guilt. She'd come to know Rosie well, and thought she understood her - perhaps better even than Rosie's own mother. Rosie was beautiful, kind and gentle. She came from a loving family and she had her whole life ahead of her. Who could possibly want to harm her? And why? Kate is convinced the police are missing something. She's certain that someone in the village knows more than they're letting on. As the investigation deepens, so does Kate's obsession with with solving the mystery of what happened to Rosie.