A sleepover party at Zach Clark's turns into a nightmare: out of the blue, a zombie apocalypse begins in the area. And soon it covers the whole country! Zach, his nerdy best friend Rice and the school's glamor queen Madison face a difficult mission. It turns out that they are the ones who must save the world from the risen dead - those who like to feast on other people's brains. But first we still need to survive ourselves!