After the end

It's been nearly 300 years since the attack, and planet earth is still in the rebuilding phase. The once flourishing and unique world, has become little more than terrified communities where to blend in is to survive. Everyone is the same, and nothing is different, because different is dangerous. But four special children with an aptitude to survive might just be the only thing the can save the world when it becomes threatened, this time by something much worse. So they are forced to throw away everything they've ever learned so that they can save a world that never loved them. I mean, how hard can that be?