Two teenagers find a frozen corpse in the middle of the woods and decide to bring it back to town. They have no idea they just sparked the zombie apocalypse.

In the morgue below the hospital, the dead begin waking up and attacking the living. The infection spreads rapidly, turning the place into a slaughterhouse as those inside fight to survive against the undead.

As the situation escalates, authorities are forced to seal off the building in an attempt to contain the spread of the virus. But it may already be too late ...