When young Billy and his mother encounter Mr. Simmons in the waiting room of a veterinary clinic, they uncover a disheartening misunderstanding. Mr. Simmons, an elderly man unable to read, believed he was awaiting an appointment with a doctor for humans, not a pet doctor. The medical symbol on the building had misled him.Moved by Mr. Simmons' plight, Billy is determined to help in a way that goes beyond merely directing him to the correct physician...