A virus escaped from a laboratory in the heart of New York. It rapidly transformed the whole city into a deadly quarantine zone, surrounded by a big wall to protect the rest of the world. New York is in ruins, riddled with the unlucky ones that didn't make it out in time and got infected. After years of trying to contain the virus, the president has ordered to bomb the city - destroying the infected once and for all. You and your squad are just on their way to the quarantine border to reinforce the guards for their last shift. Then an unexpected emergency call forces you to enter...