A bluebird named Beatrice offers to guide Wirt and Greg to Adelaide of the Pasture and help them get home. But when Wirt refuses her help, he ends up leading them all night into a be mess of trouble at the annual Pottsfield havest festival.

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" where some surprising secrets are revealed about the Unknown.