Four of Britain's aristocratic dynasties reveal what really goes on at their lavish homes. Lord Ivar Mountbatten opens a pop-up restaurant at his stately home.

Princess Olga Romanoff tries to raise cash to pay the huge running costs of Provender House, and Lord Ivar Mountbatten competes at the Cowes Week Regatta.

Lord and Lady Fitzalan-Howard bump into Prince Charles at the Great Yorkshire Show, while Princess Olga Romanoff celebrates her 70th birthday party.