一个日渐衰落的中西部小镇，曾经是成功象征的小丑弗兰多再次出现，并成为恐怖的祸害。

In an alternate 1995, a mysterious disease has wiped out all of the adults. In this new age, two gangs are pitted against each other in a brutal war for territory, resources and survival. ​

Sloane and four classmates take cover in Cortege High to escape a world plagued by the infected. As danger relentlessly pounds on the doors, Sloane begins to see the world through the eyes of those who actually want to live and takes matters into her own hands.