Ash and Zabe are two kids from opposite sides of the world who are kidnapped by a mysterious group of adults and told that their parents are dead. They are taken to a school full of children with similar stories and taught the art of survival in a brutal world where global civilization has for the most part been destroyed.
If anyone thinks they can have a better go at writing this than I can, please do so in the comments, because writing summaries is not my forte.

Ahem, are you going to go away to Iceland without posting chapter 7? You are a cruel, cruel mistress.
Am posting right now!