Crackpot inventor Caractacus Potts lives in the English countryside with his two children and their dotty grandfather. Potts's various inventions, including Toot Sweets, a candy/whistle, backfires. But then Potts restores a junked race car, affectionately named "Chitty Chitty Bang Bang". Chitty flies, floats, and generally thwarts efforts by Baron Bomburst to capture her.