A group of wayward teens at a wilderness boot camp must fight for their lives against the attacks of a ruthless blood-sucking alien. The attacks begin after they discover a strange "orb" in..., 译文(2): 一群在荒野新兵训练营里任性的青少年必须与残忍的吸血外星人的攻击作斗争。攻击是在他们发现一个奇怪的“球体”之后开始的..。
