Issie is riding for Chevalier Point Pony Club at the Interclub Gold Shield - the biggest competition of the year. Training is going well and Issie and friends are on course for glory when disaster strikes. Someone is sabotaging their equipment! And when a friend is injured, Issie must call on the help of her pony guardian Mystic to stop the troublemaker before it's too late... The second action-packed mystery adventure in the Pony Club Secrets series by bestselling author of 'The Princess and the Foal'.