The summary is: 1) The story is about a family, the Hadleys, who live in an automated home called the Happylife Home. 2) The home does everything for the family, including a nursery room that creates images based on their thoughts. 3) The nursery starts only displaying images of Africa and cannot be changed, disturbing Lydia and making her afraid lions may become real. 4) George and Lydia decide to call a psychologist to examine the nursery room.