Lost in the mysterious woods of the Unknown, two brothers named Wirt and Gregory run into a jaded old woodsman who warns them to beware of a beast.
Wirt refuses a bluebird's help and winds up wandering into a huge mess of trouble at the annual Pottsfield harvest festival.
Wirt, Greg, and Beatrice get all mixed up in the musical antics of a schoolhouse of animals, a lovelorn teacher, a grouchy old benefactor and an escaped gorilla.
Beatrice is left out in the rain with a brainless horse while Wirt and Greg must ask for directions in a lively colonial tavern called "The Dark Lantern."
Quincy Endicott's sprawling mansion may be haunted by a beautiful ghost and Wirt and Beatrice get trapped in an armoire while searching for loose change.
Wirt and Greg go on a lighthearted romp aboard the Frogland Ferry as they approach Adelaide of the Pasture.
Wirt meets Lorna, a young woman forced to do housework by an odious witch with a magic bell.
While Wirt and Greg lay down to rest, they're drawn into a dreamworld of cherubs, flowers, and clouds.
The origin of Wirt and Greg's descent into the Unknown reveals itself.
The Beast has come. The final chapter begins.