Pompous film director David lives a boring life with his children's books writer wife Hilary but also has a glamorous girlfriend, Caroline. When Hilary finds out about Caroline she decides to befriend her and then update him.
The story of U.S. Army commander George Armstrong Custer, a flamboyant hero of the Civil War who later fought and was exterminated with his entire command by warring Sioux and Cheyenne tribes at the battle of Little Big Horn in 1876.