Paul Anderson is having a very bad day. So is everybody else. The experimental Z.N.A. virus has been turned loose on the world, and humanity's chances of survival are slim to none. As the bodies of the dead are reanimated into fast, insatiable zombies, Paul must band together with a handful of other survivors to stay alive. When he discovers that the survivors have all developed strange new abilities, Paul and his friends must fight to discover the secret of the virus and stop the madman who created it.