"When she stumbles across the ad, she's looking for something else completely. But it seems like too good an opportunity to miss -- a live-in nannying post, with a staggeringly generous salary. And when Rowan Caine arrives at Heatherbrae House, she is smitten -- by the luxurious "smart" home fitted out with all modern conveniences, by the beautiful Scottish Highlands, and by this picture-perfect family. What she doesn't know is that she's stepping...