To handle 4,000 state visits, balls, school dedications, nursing home visits and charity events, the queen depends on her husband, her children, cousins and now a new generation of grandchildren. In "Inside the Firm," the queen's children talk frankly about the roles they were born into and the challenges of royal life. Each has a unique royal style: Prince Edward's theater training helps him give a special flourish to the standard plaque unveiling. Prince Charles advocates for farmers and takes the train to reduce his carbon footprint. Princess Anne, who felt uneasy with her role at first, is now known as the hardest working royal, with 595 engagements in a single year. But who's counting? Tim O'Donovan is. The unofficial royal statistician has kept tabs on every royal activity since 1980. Everyone is on hand for the biggest indoor royal event of the year, when nearly a thousand diplomats from 157 nations attend a sumptuous royal ball.