An invisible and mysterious force field descends upon a small actual town of Chester's Mill, Maine, USA, trapping residents inside, cut off from the rest of civilization. The trapped townspeople must discover the secrets and purpose of the dome or sphere and its origins, while coming to learn more than they ever knew about each other and animals too.

Living his best life in post-apocalyptic LA, a slacker strives to find the girl of his dreams while outwitting mindless ghouls and cliquish gangs.