When a lightning storm starts a deadly fire at his parents' wildlife refuge, Reynold Salim is magically turned into a Tasmanian devil. As the fire spreads, Reynold tries to save a runaway devil who holds the key to the species' survival. His pursuit takes him into the mountains, following a horde of other animals fleeing the flames. Befriended by an orphaned quoll, he experiences the beauty and hardship of living wild, and discovers a secret world existing beyond human eyes, somewhere in the ancient forests of Tasmania.