In the brief period of peace after a terrible war in a far future Earth, an outer-space military academy is attacked by an unknown and unstoppable alien force. The commander of the academy, along with a group of newly graduated cadets, escapes to a large research station. Pursued by the aliens, the station jumps through a mysterious hyperspace gateway that sends them to a planet in an unknown part of the universe. Where are they, and will they ever be able to return to Earth? 未来地球上一场可怕的战争后短暂的和平时期，一个外太空军事的学院被一个未知的、无法制止的外星力量攻击。学院的指挥官和一群新毕业的学生，逃脱到一个研究站。藉着外星力量，完成派遣给他们的在一个在宇宙未知地区神秘行星hyperspace出入口建立航空站的任务。他们的目标在哪里，他们将会能够回到地球吗？
