"Billy is a grumpy boy who's not like the other kids. His mother takes him and his sister, Sara, to the animal shelter one Saturday in hope of cheering him up. But the pets he sees are too happy for his taste. Then he finds the grumpy pets ..."--
A young squirrel disagrees with his parents who want to exclude such newcomers as the blue jays, chipmunks, and beavers from the squirrels' woodland neighborhood.