The story takes place on an imaginary place where creatures resembling rats or rabbits dwell. The main character is one of them, presumably male. The land is full of green at the begginig of the story. However, another group of creatures invades the nature by building skyscrapers and destroying all the green. The main character somehow manages to save a small brunch of a tree from the invasion.
Pollution begins and all the civillian become infected with respiratory disease. But then the piece of brunch he saved and raised produces spore like substances which transforms into a utopia, where they are free from pollution and dark cities. This story warns us about near future where we may suffer from excessive industriallization and pollution and forced to live in a shelter because the Earth is no longer inhabitable.
