In 1911, a widow with two children leaves New York City for territorial Arizona and becomes a ranch hand and later gets herself elected sheriff. A gambler and a rancher become rivals for her affections.

This documentary goes behind-the-scenes with Peanuts creator Charles M. Schulz. This film paved the way for the future success of the Peanuts animated television specials, bringing together for the first time Schulz, animator Bill Melendez, producer Lee Mendelson, and composer Vince Guaraldi.