A big city girl who has lived a tough life growing up in a rough neighborhood, Ulysses is a small scale drug trafficker who one night injures a police officer during a raid. As she flees the city, attempting to elude the police, she seeks refuge in an isolated farm. She discovers that the farm serves as a rehabilitation center for a group of people from all walks of life. While in hiding, a massive cloud covers the skies of the entire Earth producing an acid rain which results in every human who comes into contact with the rain to become a zombie. Ulysses finds herself the leader of a group who will become heroes of a unique generation of survivors amidst a world in chaos.