AvirusbreaksoutandachillingmassacreragesthroughthestreetsofMontevideo.Thesickbecomehunters,andonlycalmtheirfeverbyunscrupulouslykillingallthosenotyetinfected.Unawareofthis,IrisandherdaughterspendthedayinthesportsclubwhereIrisworksasasecurityguard.Whenthenightcomesafightwithoutmercyisabouttobegin.Theironlyhopeof..ee