Expansion is a camp for intellectually gifted students in New Jersey. Hermione Granger has wanted to attend ever since she had heard of it. Now that the Second War is over she can go, but this also means that she will have conceal everything she has known for the last seven years. Although dark times are not over yet. Death Eaters are gathering in the United States. Can Hermione do anything to save America from the Dark Lords remaining followers? Maybe even more important, can she trust her new friends with her secret?