一对幸福的年轻夫妇在结婚后不久就迎来了他们的第一个孩子。当女孩开始奇怪的行为时,他们的快乐很快变成恐惧,而无法解释的现象开始在房子周围发生。。Out in the woods and away from civilization, what starts as a normal camping trip turns into a nightmare when four friends are confronted with shrieking alien sounds outside their tent.。