The two young sisters found that all the mirrors in their estranged aunt's house were covered or hidden. When one of them accidentally discovered a mirror in the basement, she unknowingly released a malicious demon.《小心身后》导演名册(小心身后)在哪上映?《小心身后》先行预告小心背后值得去电影院看吗?《小心身后》剧情简介