A father gets into a desperate search to find his children who disappeared while going down stairs from their apartment in the seventh floor. TwodetectivesarecalledtoasmallminingtownintheAsturianmountainswhereayoungwomanwhohadbeenleftfordeadformonthshassuddenlyappeared,leavingthedetectivestoquestionwhatdarkforcesareatwork.