Azombiesurvivalthrillerwherethesinsofthepastmanifestinghastlyforms.Itfollowsacastofcharacterswhonavigatetheremnantsofabygoneera,inthemeantimeconfrontingtheundeadechoesofSovietexperimentationoftheColdWarperiod.　　Themovie’sheroineisMara,asternandresoluteservicewomanwhopossessessupernaturalpowersinheritedfromhergrandmother.Sheembarksonaharrowingquesttouncoverthetruthbehindherbrother’sdisappearance,delvingintothedepthsofasecretSovietbunkerandconfrontingthehorrorsthatliewithin.