When twenty-five New York City high school seniors emerge from class to find the school ... the streets ... the city empty of people, they realize that they are the sole survivors of some mysterious catastrophe, and are now the LAST ON EARTH.But if they really are alone, why is someone in the group getting e-mail? A rebel group of survivors has decided to risk flying a plane across the country to investigate, and in California they find a seventeen-year-old name Charlotte. It is she who helps them make contact with the alien species that has kidnapped the rest of humanity -- and when they do, they realize that the task before them is nothing less than the salvation of the human race.