简介
上古各大家族对“极地试练”趋之若鹜。唐家先祖牺牲自我，保全极地之门的关闭，留下唯一血脉唐宇，流落人间。身怀绝技的高手苍穹为布大局，接近唐宇收其为徒，授其武功。夏家千金夏诗涵由多次误会唐宇到被唐宇相救而心生好感，两人展开一段爱恨纠葛。唐宇无意间卷入一场未知的迷局之中，也逐渐探寻到自己的身世之谜.......。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.。