A meteorite fell on the city, destroying half of the city,because of the fall of the meteorite,some people became infected with an unknown virus.People began to mutate and become like vampires,mutated people have red eyes and very pale skin and fangs,mutated people want the blood of people who are not mutated yet,if a mutated person bites a person,then the human will either die or become a mutated person.Scientists cannot make an antidote because space is little studied.Anditode cannot be made.