The fairies live in a peaceful place in the forest called FernGully which has been protected for many years by Magi, a wise fairy with strong powers. Her granddaughter Crysta is a charming, beautiful fairy that is very intrigued about the world outside of FernGully. She along with the other fairies in the forest do not believe humans exist and are only in stories, until a crazy bat by the name of Batty, comes and tells them all these crazy stories about how he was captured by humans and experimented on. At first no one believes him except Crysta and she is determined to find out if humans are real. She goes to a place called Mount Warning, where the evil shadow of destruction Hexxus is known to be trapped, and finds a human named Zak. When he is almost crushed by a tree Crysta accidentally shrinks him to fairy-size and he falls on a tree that is about to be devoured by "The Leveller". "The Leveller" is a wood cutting machine that has been cutting down every tree the humans have been ...