No one messes with summer fun -- not even a powerful construction company. That's the battle cry of three kids (Daniel Massey, Marcella Laasch and Dani Goldman) and their neighborhood pals, who are shocked to learn that their favorite warm-weather hangout, a local park, is slated for destruction so a factory can be built in its place. Motivated by the need to protect their only source of recreation, the youngsters gear up for one messy fight.