Sampson, a big Yankee stallion, and his young master show bravery and determination when they come to the aid of the patriots during a bitter winter in the New England Berkshires at the time of the Revolution.
The fate of the royal Lipizzaner horses sequestered in an Austrian village during World War II becomes uncertain when the American occupation troops demand all available horses. Pluto leads the stallions in a performance to gain General Patton's protection.