Examining the life's work of Prince Charles as the longest-serving Duke of Cornwall - referred to simply by his staff and tenants as `the Boss'. It shows how the Duchy is run to reflect his personal philosophies across the whole estate, stretching from the Duchy headquarters, adjacent to Buckingham Palace, to struggling farms on the far-flung Isles of Scilly.

Asking what the Prince of Wales's legacy might be for the Duchy, as senior staff prepare HRH Prince William for the day that he will succeed his father to become the next Duke of Cornwall. Meanwhile, Prince Charles visits his latest challenge - Nansledan - a new town on the outskirts of Newquay which is set to be twice the size of its predecessor, Poundbury. Also, an examination of The Duke's well-known passion for trees and for traditional rural crafts like hedge laying.