A New York City police officer tries to save his estranged wife and several others taken hostage by terrorists during a Christmas party at the Nakatomi Plaza in Los Angeles.
At the opening party of a colossal, but poorly constructed, office building, a massive fire breaks out that threatens to destroy the tower and everyone in it.
A twisted tale of two estranged sisters whose reunion is cut short by the rise of flesh-possessing demons, thrusting them into a primal battle for survival as they face the most nightmarish version of family imaginable.