恐怖《该隐山》完整版: 蝴蝶影院亚洲免费每日在线观看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.