When Liz finds her dream house she discovers she has an inexplicable affinity with it. But when her daughter, Jenny, develops an intense relationship with the enigmatic Harriet, Liz finds her credulity tested to the limit. Harriet, a solitary spinster, believes she has a vital role to play in the life of this talented child; their destinies being linked by more than mere chance. However, poor Harriet died thirty years ago so how can she fulfil her destiny? Does she only exist in the child's vivid imagination?