A vicious gang war for drug dominance draws in a disturbed Special Forces veteran John Bradley. Trying to adjust to normal life and haunted by inner demons of a violent past, the underworlds retribution on his last connection to humanity, a daughter and grandchild leads to a descent of fury and violence that not even the brutality of gangland is prepared for.

剧情从进进外星地堡，就起头营建外星伟人不知遭受到如何恐怖的事物而纷纭惨死，外星人的仓库中保留着何物神秘的生物，外星人地堡中埋没着甚么样的年夜奥秘，重重悬念步步惊心。