In2012,thedeceasedhaverisenfromtheirgraveswithonlyoneinstinct-tofeedontheliving.Asacademicsspeculateonthescientificcauseofthephenomena,theologianspointtotheArmageddonforetoldintheBookofRevelation.Asthecitiesareoverrunandcivilizationcrumbles,afamilytakerefugefromtheundeadarmyinanisolatedfarmhouseinWestWales.Butthegreatestthreatisalreadyamongthem.