A yard sale, ice skating, class pictures, and a surprise party are a few of the things that make fourth grade fun for Julio and his friends, but they must get serious about studying as the statewide end-of-year test approaches.
After passing a series of mind-bending tests, four children are selected for a secret mission that requires them to go undercover at the Learning Institute for the Very Enlightened, where the only rule is that there are no rules.