During the Christmas season, two sisters throw a house party, unaware that a deadly invader will be crashing the proceedings.

　　The world has been ravaged by vampires. A group of survivors band together to search for loved ones who may be alive, dead or something in between,

　　A cult kidnaps a young girl and sacrifices themselves by the locust moon. The girl awakes, surrounded by corpses. Years later, the locust moon rises