在这部黑客科幻/恐怖片中,神秘飞行物，神秘基地，神秘事件，二十年来恐怖诡异一直笼罩着坎得哈，一个沙漠中荒凉的小镇。
凯瑟和安得是一对普通的恋人，为追寻神秘飞行物来到小镇。可小镇诡异的气氛，居民反常的行为，都让两人不寒而栗。当晚，凯瑟就被不明物体袭击，强奸，留下奇怪的紫色水印失踪了！安得在追踪时发现一个神秘基地，在小镇居民希姆的帮助下，安得潜入基地，却发现一个惊天阴谋……而心怀鬼胎的希姆也为小镇带来灭顶之灾。
《异形》原班人马再度全线出击，疯狂打造年度惊悚经典。
Kate is dying. She wants reassurance that there is life elsewhere in the Universe. She and Andy go to the one place that may hold the answers to her questions. Alien lights have been seen. Alien ships have been sighted. If she could only come into contact with these foreign forces! The bizarre people who inhabit the area also play a role in Kate and Andy's quest. The one place that may hold the answer is...GROOM LAKE!
