Ferngully, a spectacular rainforest where a bat named batty, whose radar has gone haywire, joins together with Crysta, Pips and the Beetle Boys to save their world from the evil Hexxus. Ignoring the warnings of her friends, Crysta, the curious tree fairy, explores the world beyond Ferngully. She discovers Zak, a human who is helping to demolish the rainforest. Once Zak sees the beauty and magic of Ferngully, he vows to save it. But it may be too late. The diabolical Hexxus is on the loose and is intent on destroying all of Ferngully.