80sinspiredJohnCarpenteresqueAction.Ayoungwomanisforcedtopushpastherworstfearsandbattletodeportananciententitybacktowhereitcamefrom.SetinsideanundergroundmilitarybaseknownasTheArtemisBlackSite,themoviemixesanEscapeFromNewYorkstylesurvivalstorywithLovecraftianelementsandlargescalemythologybuilding.