免费观看完整版全集（ning8.cn）Withoutwarning,millionsofmysteriousalien"doors"suddenlyappeararoundtheglobe.Inarushtodeterminethereasonfortheirarrival,mankindmustworktogethertounderstandthepurposeofthesecosmicanomalies.Bizarreincidencesoccurringaroundthesentientdoorsleadshumanitytoquestiontheirownexistenceandanalteredrealityastheyattempttoenterthem.
