Elnora Comstock, an impoverished young girl growing up on the edge of the Limberlost swamp in Indiana, is a lover of nature who has an opportunity to pay for her education by collecting moths.
Alby and his pet, Squee, know that they are not allowed to play in the alien swamp, but they still cannot resist splashing around and getting into trouble.
Ten-year-old orphan Wally Shluffmuffin engineers a SWAT team-style operation to rescue his twin sister, Cheyenne, from the Mandible sisters; meanwhile, their vampire father's attempts to feed put him in some awkward situations.
Deeply wounded by her embittered mother's lack of sympathy for her aspirations, Elnora finds comfort in the nearby Limberlost Swamp, whose beauty and rich abundance provide her with the means to better her life.
Examines the various ecosystems found within a swamp, how the plants and animals interact with one another, where swamps can be found around the world, and efforts to protect them.