Afteragirls'nightout,endearinglyawkwardDebwakesupintheapartmentofthemostattractiveguyinPortland,Maine.She'sthrilled,butshecan'tremembermuchofwhatgotherthere.PrettyboyRyanonlyknowsitwasamistakeandushersheroutthedoor...intoafull-scalezombieapocalypse.Now,awalkofshamebecomesafightforsurvivalasthemismatchedpairdiscoversthattheonlythingscarierthantrustingsomeonewithyourlife...istrustingthemwithyourheart.