The last winged horses are on the brink of extinction. Three foals        lie curled in their eggs in a sanctuary for threatened creatures,        where a young dragon rider lives with his silver dragon. The foals        are ill, and the pair volunteer to seek the only cure: a Griffin's        feather. But Griffins, with the heads of eagles and the bodies        of lions, are a dragon's fiercest enemy, and live far across        the world in the sweltering jungle. A dangerous and exciting adventure        begins ...