When Laura accidentally breaks her glass doll, Mary brings home a raccoon to cheer her up. Laura keeps him and prides herself on teaching him tricks and his docile behavior. To her dismay, food aggression and the many kids at school cause her pet raccoon, named Jasper, to bite her on the finger and run away. Afraid of losing her pet for good, she makes Mary promise to keep it a secret, but when the chickens are disturbed by a rabid raccoon, Mary must break the bad news to her father.