该隐山是一部高质量的惊悚 恐怖 恐怖片 的影视作品,影片的关键词是该隐山 mysterious unexplained earlier years many asylum ,A group of documentary filmmakers are filming a TV special about the events which occurred at the famous and mysterious abandoned Cain Hill asylum many years earlier, and the unexplained abductions and murders that have occurred at the site since then. The group soon learn that one of the inmates never left Cain Hill at all.