Firedrake, the young silver dragon, has had enough of constantly having to hide in the jungle. He really wants to show the older generation that he is a real dragon. When humans are about to destroy his family’s very last refuge, Firedrake secretly sets off on an adventurous journey with forest brownie Sorrel. He wants to find the “Rim of Heaven”, the dragons’ mysterious refuge. On their quest Firedrake and Sorrel encounter Ben, an orphan and stray, who claims to be a dragon-rider. While Ben and Firedrake make friends quickly, Sorrel becomes increasingly distrustful and tries to get rid of the orphan at every opportunity. But the unlikely trio have to learn to pull together, because they are being hunted by Nettlebrand. The evil, dragon-eating monster is all out to track down and destroy every dragon on Earth…