17-year-old Rachel Fowler is a professional babysitter who was trained to do her job like CPR, changing a diaper, feeding kids and so on. She goes to a mansion to meet a family, who go by the "Millerfords" To babysit three children, two who are in early elementary school and a 17-year-old boy named Marcus, who really needs help because he was injured in a car crash. But as soon as she realizes none of the siblings get along...Except for Marcus, Rachel realizes that when she sleeps at night, her dreams come to life!!! They are even in more danger when the other neighbors are gone and they can't be helped.