American socialite weds British aristocrat. WWII disrupts their French life. Post-war, they launch jewelry firm from survivors' heirlooms. Business booms but clashes with new era's changes.American socialite weds British aristocrat. WWII disrupts their French life. Post-war, they launch jewelry firm from survivors' heirlooms. Business booms but clashes with new era's changes.American socialite weds British aristocrat. WWII disrupts their French life. Post-war, they launch jewelry firm from survivors' heirlooms. Business booms but clashes with new era's changes.