13-year-old Josh Baskin, who lives with his parents in New Jersey, is told he is too short for a carnival ride and visits a fortune teller machine called Zoltar, where he wishes to be "big." The following morning, he's astonished to find that his wish has been granted, but it leaves him grappling with the realization that with adulthood comes vast responsibility and that being a grown-up comes with a steep price.