Five Spec Ops, Alpha Squad, head a simple Recon Mission that turns into an all out war for survival against a wave of undead experiments. Alpha Squad must fight, not just for the sake of their own survival, but the fate of the world.

Deep in the underbelly of New York City, a five year-old girl and her mother live among a community that has claimed the abandoned subway tunnels as their home. After a sudden police-mandated eviction, the pair are forced to flee aboveground into a brutal winter night. Determined to return home, they fight to find shelter as their world is thrown into chaos.