一位科學家在一次試驗中，發現用腦波可以使一只鉛筆穿透銅板，不過，他的實驗室在一次大火中毀滅，這位科學家不得不投靠他的哥哥。他的哥哥也在進行著另一項實驗，他發現重新組合原子結構可以產生巨大能量。他與弟弟合作，利用弟弟的腦波和實驗心得，改變任何物質結構，形成“四度空間人”。　　不過，“四度空間人”使用一次均會失去時間而老化，必須不斷增加能源，而每次吸取能量，就會將老化轉移他人，于是他不斷殺人以維持青春。究竟四度空間人會不會最終被消滅，請觀眾自己品味。　　本片構思新穎，運用高科技手段拍攝，是觀眾有身臨高科技時代的感覺，當然，這指的是身在影片所屬的年代！

　　片中卡雅·斯考達里奧飾演伊曼紐爾，她迷上了長得酷像她死去母親的新鄰居(杰西卡·貝爾飾）。為了照顧她新生的孩子，伊曼紐爾陷入了一個虛幻易碎的世界，并成為了那里的守門人…

 What begins as a peaceful venture into civilian life for a pair of military vets, quickly devolves into chaos when a nuclear crisis brings danger to their doorstep, igniting an unexpected alliance with a potential enemy, as they struggle to protect their team and overcome the shadows of their past in a lawless new world.

　　In the year 2961, the time is after humanity and nature has recovered the land. A hunter named Cygnus is called to rise above his duty. He provides for Last Arc, a once nomadic band of survivors in need of food and water that is now growing scarce. The answer must be found before a group of outlandish Heretics descend upon them. Cygnus must voyage across the treacherous landscape to defend his people. Sent by Nova, the matriarch of the band, she acts based on her vision for Cygnus to find a seed of hope. The future of Last Arc is for him to discover, Cygnus ventures into a hostile landscape in search of an answer for his people. On this journey of encountering many traps and dangers, Cygnus discovers what has been hunting him is his identity.