There is something in the dark.   

That is the unspoken truth known by every man on Earth. A monster, be it demon or human, is waiting to attack in the absence of the protection light provides. What that noise is becomes exaggerated with the imagination. Monsters that bump softly in the night, demanding their pound of flesh to sate an ever growing hunger. Such things are considered an imaginative escape from the boring demands of life.   

There is a light in the sky.  

The stars in the night were a defense against the quiet monsters. The light provided a path to safety, keeping the monsters in their place. Sergeant David Macalister was familiar with guiding his footsteps by starlight, having spent his youth in Kentucky. That lifetime of living in the night gave him an edge during the Zombie War, as the Marines in Kentucky retreated further into the mountains, building a wall to keep the monsters back. As they did their best to fight back against the zombies in front of them, the safe haven behind the wall began to descend into chaos, with zombie-worshiping cults, family clans settling ancient rivalries, and a fractured, disorganized chain of command that could barely find their feet as they scrambled to survive against the monsters of the night. 

In the time of dying, Sergeant Macalister took comfort in the stars, as he so often did in his youth. But one day, he saw a star moving towards him. Then it began to slow down. Then it landed.   

Sergeant Macalister discovered the stars had betrayed him, because they were home to the monsters.