It is the day after the end of the world. Angie Land her two children are homeless, desperate and on the run from the hordes of corpses that have risen to consume the living. Parker Welch, a local hunter who also survived the end, is on a mission to find his estranged daughters. All are headed to the city of Ashton, which has also fallen to the undead. And conditions at Ashton Memorial Zoo are going downhill from there...