该片根据真实事件改编,1980年伊朗驻伦敦大使馆遭六名恐怖分子袭击,而SAS(特种空勤团)战士等和恐怖分子的对峙持续将近六天,第六日最后的反击开始。。一个白西装男人来到了美国南方的一个小镇。他自称是名社会改革家,但他所做的每一件事都是为了挑起事端。。After the American Army shot down a UFO in 1947, generations of elite commandos were secretly trained to deal with the aliens' feared return. However, the extra-terrestrials never came back and the elite force was disbanded. Sixty-six years after the Roswell crash, the aliens are invading Earth and only the over-the-hill retired commandos can stop them.。