Clare Balding presents coverage of the prestigious Burghley Horse Trials from the grounds of Burghley House in Lincolnshire. Lucinda Fredericks of Australia won last year's title on board Headley Britannia and the same combination enjoyed further success when winning the Badminton Horse Trials. Can Fredericks defend her title in the face of what is sure to be extremely stiff competition? Commentary by Michael Tucker and Tina Cook.