The dreadful of this movie begins with the suicide of Dr. Victor Mott, who is accused in sexual harassment by some of his patients, Mott's wife is pregnant but after hearing these news, she loses her child and she decides to avenge from the people, who are the reason in these terrible events, so she changes her name and works as a nanny for Claire to revenge from her.
The careful structure of THTRTC guarantees that the movie will generate a fair amount of suspense throughout. But the single-mindedness of the movie is a genuine limitation, and, watching it, you begin to feel spoon-fed.
The Hand That Rocks the Cradle is that rare thing, a realistic thriller wise enough not to sell short any of its characters. Just be prepared to become very, very scared when you see it.