Somewhere in Texas, a group of boys were playing. One of them named Steve accidentally fell into a cave, but the fall did not hurt him, but made him find a pile of bones. Just as he picked up a skeleton curiously and looked at it, a pool of black oil on the ground that seemed to have vitality was also quietly approaching him, and soon Steve was covered with this mysterious substance. Friends kept calling Steve into the cave, but there was no response. The children gazed down attentively, only to see Steve looking up at the entrance of the cave, his eyes appearing frighteningly black.
In Dallas, FBI agents are busy dealing with an office building bombing. The savvy agent Mudd intuitively found a timer in a beverage vending machine in a building across the street, but did not remove it in time. , An explosion occurred. Although partner Scully rescued in time, three firefighters and a boy were killed when the building exploded.
In the bar, a man who called himself Kirtsville quietly told Mudd that the bombing was just to conceal a certain truth, and mentioned a mysterious organization that has inextricably linked to a certain department of the government. The organization has been engaged in alien research for a long time, hoping to achieve the purpose of using aliens to eliminate humans and control the earth one day. Now, they have mastered the technology for aliens to survive in the human body in the form of germs in a frozen state, and the spread of this germ will lead to the destruction of mankind.
Mudd and Scully were determined to investigate the matter. They sneaked into the hospital and found a corpse of a Dallas bombing victim for autopsy. The result was completely beyond their expectations. Mudd and Scully followed the clues to the cave where Steve had fallen. They were surprised to find that the cave disappeared and replaced by a clean and chic park. It seems that the mysterious organization mentioned by Kirzweil has already gotten a whip ahead of them. After Steve's friends pointed out, Mudd quickly found the tank filling the cave. However, a miracle appeared before him: there was a cornfield and two bright white domes in a desert. Walking into the house, they found rows of boxes, and there were buzzing noises from the boxes.
After avoiding the bee, Mudd and Scully returned to Washington. The FBI headquarters was extremely dissatisfied with them and forced them to terminate the investigation. It seems that some people in Washington have been alarmed. But Mudd and Scully never give up easily. With the gradual deepening of the investigation, the relationship between Mudd and Scully is getting closer, but at the moment they kissed, one hides in the Scully suit. The hornet stung her, and Scully fainted immediately. Mudd found a doctor, who shot him and hijacked Scully.
Mudd went all the way to the South Pole, not only found the dying Scully, but also found a large number of alien "germs" living in frozen human bodies on an alien spacecraft. The instruments on the spacecraft detected Mudd's arrival. At this time, the aliens have fully developed and are about to break out of their shells. At a critical juncture, Mudd fought to rescue Scully and injected the vaccine into Scully's body, which spread to the entire incubation system and caused the destruction of the system. At this time, a huge flying saucer rising from the Antarctic underground flew over the two people's heads. They exposed the only evidence of the evil of the mysterious organization, but the alien spacecraft disappeared forever
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