When a new school year begins, Charlie is nervous. What if her teacher isn't nice? What if none of her friends are in her class? What if she gives a wrong answer and her classmates laugh? Emmet can't help Charlie. He has his own worries. Why is Charlie the only person that can see him? Does he even exist, or is he a nothing? Follow Charlie and Emmet on Charlie's back-to-school day and learn how a day of nerves becomes a great day to celebrate.