Familiar thrills more effective as individual shivers than parts of a whole. On the advice of her agent, a novelist afflicted with writer’s block relocates to an isolated retreat far away. It’s not a happy choice. Thirty years ago, Dani Duprie, having spotted an unknown woman giving her the once-over, persuaded her husband, Bill, to pack up their 10-year-old daughter and pull up stakes yet again for an undisclosed but very urgent reason.