【观看小贴士】： [DVD=普通清晰版] [BD=蓝光高清版] [HD=高清版] [QMV=有超清版和普清版] [TS/TC=抢先非清晰版] - 其中，BD/HD/QMV版本不太适合网速过慢的用户观看。
剧情简介
After living peacefully in the caverns of a small town, a stranded group of aliens turn deadly as they fight for their existence, betraying the compassionate chief of police who has protected them for 28 years.
