Marcus,ChrisandEvanfindthemselvesstuckinanynormalday,whenwithoutwarning,zombiesbegintoinfestthecity.Notknowingexactlywhattodo,thethreeattempttoseekshelteratMarcus’house,butfirsttheyhavetogetthere.Facingtheundead,Marcus,ChrisandEvantrytosurvivethezombiesandeachother.