公元22世紀，因為人口過度膨脹、過度開發、環境極度惡化、食物也消耗殆盡。人類想要存活下去，就必須要到宇宙中去尋找新的可以棲身的星球。因此制造了一艘當時最先進的太空飛船，去考察發現的一顆可能適宜人類生存的星球。羅伯遜（威廉·赫特 William Hurt  飾）一家被選中擔負起了這次探索使命，他們將用10年的時間前往阿爾法星球。可是，這次擔負起全人類命運的任務卻有反對的聲音，部分邪惡勢力妄圖阻止這次任務。所以，當羅伯遜一家駕駛太空船剛進入太空的預定軌道時，反對派史密斯博士暗中進行破壞，導致飛船脫離的正常的軌道迫降到了一顆不知名的星球上。飛船上邪惡勢力的阻撓，不知名星球上的種種危機，如何才能重新設定新的航線……各種問題困惑著羅伯遜一家，他們真的就此迷失太空，無法到達目的地了嗎？人類的命運將何去何從？

　　故事講述鮑伯剛和戀情長跑的女友分手，心碎不已時巧遇一只可愛到不行的流浪貓，而鮑伯好友克拉倫斯更被小貓萌翻，兩人給小貓取名‘Keanu’，而‘百煉鋼化為繞指柔’大男人從此化身貓奴，每天陪貓、愛貓，與貓為伍。某天鮑伯的家被流氓集團闖空門，更慘的是他們的愛貓‘Keanu’竟然被綁架！為了營救愛貓，兩人決定混入販賣毒品的圈子，為方便接近流氓集團......

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　　The nightmare was about a demonic possession. A long time ago, there was an evil in a small town and it was jealous of the girl and would never let her go, since the devil loved the girl. One night, the evil raped the girl and she became pregnant. After months the girl could not hide her baby, her father figured her secret out and clapped the girl in irons and locked her room door. But the evil put the gun to her father' temple and saved the girl. The father had a stroke and had been sleeping on the bed for three months and died. Time went on and the girl brought a child into the world. Naturally, people who were living in the village heard the story and they did not want to see neither the girl nor the baby since when the baby was born, plants dried in the field, fishes lost in the lake and people had prayed to the god for rain, but nothing changed in the village. People got so angry, dug a hole in front of the fountain, put her into the hole and threw stones at her face. The girl died soon after. The evil went off the deep end, took a revenge of the village and killed everyone except two sisters because the evil wanted them to take care of its baby...