In a hellish future where human beings have become stupefied by the state of permanent happiness they have been genetically altered to experience, Jack offers relief via drugs that cause his customers the welcome phenomenon of pain. But when Jack receives a mysterious videotape of his dead father, he sets out to unmask the dangerous conspiracy that has created this dystopian world.
40-year-old Arnold Gardner is put in charge of the talk show "The Twenty-fifth Hour" after the death of the former host Duncan Mackay. His role on screen creates immediate interest and the program becomes a great success with TV audiences. This proves to be a period of great satisfaction for Arnold, but his childhood friend, Eddie Greenberg, suddenly comes on the scene. Eddie is ill and frustrated by lack of success, and is so resentful and envious of Arnold's fame that he wants him to make a full public confession of a "sin" he committed in his young days.
When an explosion at a top-secret government lab injures an elderly janitor, no one could have expected the terrifying results. Exposure to mysterious chemicals causes him to undergo a bizarre transformation. He is slowly... incredibly... growing younger every day. Now, a ruthless CIA assassin will stop at nothing to take him prisoner and turn him into a government guinea pig. With his future on the line, the janitor goes on the run with his wife and a feisty female agent. All the while, he continues to transform... into a being with powers that are as deadly as they are unimaginable.
실직으로 인해 LA까지 흘러들어온 탄광노동자 멕은 일자리를 구하러 헤매다 공원에서 외계인의 침입과 지구의 멸망을 예언하는 신부를 만나게 된다. 그날 밤 무허가 판자촌에 숙소를 정한 멕은 낮에 만났던 신부가 TV에 나와 외계인들에 의해 발송되는 전파에 의해 인간들이 제압되고 있으며 곧 그들의 하수인으로 전락하고 말거라는 애기를 듣고 우연치고는 너무나 이상한 우연이라 생각한다. 그리고 곧 경찰에 의해 마을과 교회는 폐허가 된다. 멕은 폐허가 된 교회안에서 이상한 안경을 하나 발견하게 되는데, 안경을 쓰면 해골모습을 한 인간들이 보인다. 실은 LA의 인구의 반이상이 인간의 탈을 쓴 외계인에게 장악되어 있었던 것이었는데...
