Josh Baskin would do anything to be big to hang out with his crush at the carnival. He finds a Zoltar machine, and he wishes to be big. After Zoltar tells him, “his wish is granted,” Josh notices the machine is unplugged. He wakes up the following day in an adult’s body but still has the same personality. With the help of his best friend, Billy, Josh learns how to act like a grown-up. But as he gets a girlfriend and a fun job, he doesn’t want to be a kid again. Will Josh stay big or become a 13-year-old boy again?