Aliens have attacked Earth, killing millions in mere seconds. In a desperate attempt to retaliate, world leaders defended themselves with nuclear weapons. Now the aliens populate the planet, the world is a wasteland and the few remaining human survivors are relegated to dwelling in sewers, subways and basements to plot their revenge.

Aliens have attacked Earth, killing millions in mere seconds. In a desperate attempt to retaliate, world leaders defended themselves with nuclear weapons. Now the aliens populate the planet, the world is a wasteland and the few remaining human survivors are relegated to dwelling in sewers, subways and basements to plot their revenge.