Imogen Barnicott's husband - a celebrated, cruel and egocentric professor of Classics - has recently died in a car accident. Now, as she faces her first Christmas alone, to the pain of widowhood is added the attentions of an anonymous phone-caller who accuses Imogen of murder and alleges that he can prove it. But can Imogen be certain her husband is truly dead and gone? A Christmas story with a difference - by an acknowledged expert in chilling suspense.