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. 　　來自“澤塔行星網(wǎng)”的外星人入侵地球，美國(guó)空軍在內(nèi)華達(dá)沙漠擊落了他們的一艘飛船后。為了通過談判找回他們的戰(zhàn)友，外星人遇到了一個(gè)咄咄逼人的美國(guó)政府，他們將不顧一切地消除星系間的威脅。