A demon creates a zombie apocalypse & the only people who can stop it are the Winchester siblings, but they need the help of their dad, who's gone missing. When Sam has a vision of a man getting his head beat in, the three rush to Virginia to try & save the man, but when they get there they find out an awful but amazing thing. Will Lea, Dean, & Sam defeat the demon & stop the apocalypse, or will it never end?