Four best friends, on the brink of starting middle school, realize their lives are about to change forever. So on the last weekend of summer, they set out to make the most of it. Nothing could prepare them, though, for the startling discovery they make while revisiting one of their favorite haunts.

In 2008, 12 Disciples of Satan are released upon the earth, to do battle with 12 Disciples of direct descendants of the Apostles.