AzombieapocalypsethreatensthesleepytownofLittleHaven-atChristmas-forcingAnnaandherfriendstofight,slashandsingtheirwaytosurvival,facingtheundeadinadesperateracetoreachtheirlovedones.Buttheysoondiscoverthatnooneissafeinthisnewworld,andwithcivilizationfallingapartaroundthem,theonlypeopletheycantrulyrelyonareeachother.