Fifth book in the "Adventure" series that follows the adventures of two pairs of brothers and sisters, Philip and Dinah and Jack and Lucy-Ann, along with Jack's parrot Kiki. In this book, Philip, Dinah, Jack and Lucy-Ann are off on an exciting pony-trekking adventure in the Bavarian mountains. But what starts out to be fun suddenly becomes a fight for survival as everything goes wrong: their guide goes missing, wild dogs surround their camp, and Philip is captured by two strange men with guns. The legend of the King of the Mountain becomes a sinister and scary reality