Secure within a desolate home as an unnatural threat terrorizes the world, the tenuous domestic order he has established with his wife and son is put to the ultimate test with the arrival of a desperate young family seeking refuge. Despite the best intentions of both families, paranoia and mistrust boil over as the horrors outside creep ever-closer, awakening something hidden and monstrous within him as he learns that the protection of his family comes at the cost of his soul. 非线性叙述的关键词，片名中的It到底指的是什么。黑夜造访剧情讲解及几点误解。。这部电影 一半人称为神作一半人视作烂片。21世纪后最佳恐怖片。几个疑点分析。感觉一团沉重的黑雾困在心里挥散不去。我不相信你。恐惧源于未知。人与人之间没有信任。威尔一家为什么要离开？孩子感染了吗？谁把狗带回来的？答案在这里。。 故事发生在末日，病毒肆虐，凡是被感染的人都将被焚化，保罗一家人小心翼翼生活在森林里，突然有一天一个不速之客的造访，让他们的生活天翻地覆....
