When a rainstorm prevents Nancy and her best friend, Robert, from getting to the planetarium the night of a class field trip, she has a brilliant idea for making things better.
Nancy is delighted that the new boy in her class is from Paris and sets out to become his friend, then discovers that this Parisian is not quite as fancy as she had thought.
Nancy wants to adopt a special puppy so that she is no longer the only fancy member of her family, but after a day of puppy sitting a papillon, she realizes that being fancy is not always the most important thing.