In this concluding part, the comedy actress/person responsible for writing the new Spice Girls musical... appears at the opening ceremony of the Nations Cup in La Baule, northern France, in her official capacity as an ambassador for British Showjumping. Back on home ground, she receives a dressage lesson from Team GB's Laura Bechtolsheimer in preparation for the Grassroots competition at Badminton. However, when the event is cancelled, she ends up taking part in the Houghton International Horse Trials - where she pushes herself to attempt a daunting course.