Black Sheep (A story idea)

In the aftermath where would you stand? Where would you go when you have nothing else left? At first it seemed like a dream, a nightmare that would never end. Constantly in the back of their minds, reminding them what they had lost, and what was soon to come. Aria and Christina have to pick up the shattered pieces after a catastrophic event leaving them the sole survivors of their small town, or so they think. They realize they have to fight back, not only for their dignity but to also save the human race from becoming extinct. There is a dark force trying to take over the world, will they succeed or parish like everyone else?