Lonely dragon, Jack's life is about to be changed forever when he encounters humans for the first time. He acts swiftly to save young Daisy's life from wild boar while she is out in the hills of southern Spain with her friend Rory. Dragons seek wherever possible to help humans while remaining invisible and this is a skill that Jack still has to learn. Jack discovers he and Rory have much in common with both having a lot of time on their hands, seemingly abandoned by their parents. Rory and Daisy are thrust suddenly into the world of dragons, its many colourful characters with supernatural talents and the fierce power struggle between Jack's father, Nervak, and his bitter rival, the ruthless Manchu. When Rory's parents unexpectedly announce a family skiing holiday in the Chilean Andes hidden perils and challenges await.