'What I want you to have, Imogen, above all, is a sense of your own history; a sense of where you come from, and of the forces that made you. ' Rosamund lies dying in her remote Shropshire home. But before she does so, she has one last task: to put on tape not just her own story but the story of the young blind girl, her cousin's granddaughter, who turned up mysteriously at her party all those years ago. This is a story of generations, of the relationships within a family - and of what goes to make a child.