The August Lea is a vast, mysterious land made up of many wild and dangerous environments from meadows to valleys, and mountain ranges to swamps, but the animals living there have niched out their own, quaint forms of civilzation The Longtail family from the idyllic mouse city of Triplethorn is swept up into a fantastic adventure when a mysterious note and package arrive under equally mysterious circumstances The package is from Katrina Longtail's husband, Gamble, but there's just one problem; he's supposed to be dead While her son, Nimble, is away across town, a vicious storm traps...