立志当人类历史上第一位宇航员的丹•米尔顿•普雷斯科特（比尔•艾德华斯 Bill Edwards 饰）驾驶代号Y-12的宇宙飞船前往太空，在进入外太空的一刹那，他因为过于兴奋而忽略了总部的命令，最终导致飞船失控。飞船坠入大气层，与总部失去联系。不久，国防部的人找到飞船残骸，而惹出祸端的丹却在女友处潇洒快活。 丹的特立独行给国防部高层留下极深的印象，他们顶住各方压力，仍然决定派遣丹驾驶Y-13..
《外星人爆发》简介：In a small rural community local police officers Zoe and Patrick begin their shift as normal but it soon becomes clear that something is wrong. Strange events unfold before their eyes, residents begin behaving strangely and mass suicide panic spreads amongst the community they are trying to protect. Zoe and Patrick realise they are under siege from alien machines as they become cut off from the outside world. They are forced to do battle against these uninvited visitors. With the help of some of the residents Zoe and Patrick begin unravelling the mystery and soon discover it is not all as it seems. Can Zoe and Patrick save their community and the outside world from extinction? 在一个小的农村社区，当地警察佐伊和帕特里克开始正常换班，但很快就清楚出了问题。奇怪的事情展现在他们眼前，居民开始奇怪的行为，大规模的自杀恐慌在他们试图保护的社区中蔓延。佐伊和帕特里克意识到，当他们与外界隔绝时，他们正受到外来机器的围攻。他们被迫与这些不速之客作战。在一些居民的帮助下，佐伊和帕特里克开始解开这个谜团，很快发现它并不像看上去的那样。佐伊和帕特里克能拯救他们的社区和外部世界免于灭绝吗？
