Henry Ford was an American pioneer. He revolutionized the automobile, the assembly line production method, and brought cars to millions of American families. But in his personal life, he was far from perfect.

Since 1802, the DuPont Company has supplied gunpowder to militaries worldwide. But when young Lammot DuPont pushed the company to get out of the business of war, it set off a conflict that transformed the family and the American industry for generations.