It's been 4 years since the zombie apocalypse started, it is now year 2046 And zombies are killing humans left & right, there's people running in fear than there's others fighting for they're lifes. But you are immune to the zombies Bites the reason you're immune is bc before you were born You're mom was bit by a zombie. So when you were bit you didn't Turn bc of you're blood. You basically the cure well that's what the people think but who knows.