Ripoff

There are two other movies that are based on the same premiss. The Babysitter with Stephanie zimbalist and The Hand That Rocks the Cradle. On both films a pretty woman with ulterior motives
charms a family into hiring her, she moves in, falls for the husband, befriends the wife and children, while at the same time strange incidents begin to occur which begin to tear the family apart. The new housekeeper tries to convince the husband and children that the incidents are the mother's fault and she begins to think she's losing her mind. Meanwhile, the new housekeeper is trying to get the wife out of the way so she can have the family to herself.