Third-grader Oliver Olson wants to go to the space sleepover they're going to have at his school but his protective parents say no. The world is too dangerous and a sleepover would be a real risk. What's a guy to do? His teacher says anyone can change the world if they have a big idea. Well, Oliver has only had one small idea and it's just going to upset his parents. Ever since he was sick when he was younger, his parents have been trying to protect him from everything. They also do everything for him. Now, he has to do a diorama as a class project and that pushy Crystal Harding wants to work on it with him. His parents want to do it for him. When is Oliver Olson ever going to get a chance to make a difference in the world?