When his drinking problem takes control of his life, a father tries to leave the bottle behind while putting his and his family's lives back together.
A teacher at a school for emotionally disturbed children takes an interest in one particular child who doesn't talk but emits a stream of gibberish.
Albert Quinn Ingalls wants to be a doctor. But soon he discovers that he is fatally ill. He decides to spend the rest of his life in Walnut Grove. Meanwhile children from school are preparing for their traditional climbing of the mountain.
