Aliens from the planet Zeta Reticuli invade Earth after the American Air Force shoot down one of their ships in the Nevada desert. Seeking to negotiate the retrieval of their comrades, the Aliens instead encounter an aggressive American administration who will stop at nothing to obliterate the intergalactic threat. 　　来自“泽塔行星网”的外星人入侵地球，美国空军在内华达沙漠击落了他们的一艘飞船后。为了通过谈判找回他们的战友，外星人遇到了一个咄咄逼人的美国政府，他们将不顾一切地消除星系间的威胁。