In a quiet small town, a group of stranded aliens have been living undetected in the caverns for decades. Their peaceful coexistence is shattered when they are threatened with exposure, leading them to turn deadly in order to fight for their survival. The compassionate chief of police, who has been secretly protecting the aliens for 28 years, finds himself betrayed by those he once sheltered. As tensions rise and loyalties are tested, the once harmonious community descends into chaos as a battle for survival unfolds.影评：这部影片将科幻与人性的复杂性巧妙融合，展现了在绝望之境中人们为生存而进行的残酷斗争。观众将被剧情中角色之间的错综复杂的关系所吸引，并随着故事的发展被带入引人入胜的悬疑之中。导演巧妙地营造出一种紧张的氛围，让人捉摸不透每个角色的真实动机，让观众不禁为这场生存之战的背叛和牺牲而深深感到震撼。