该电影由Gene Fallaize执导，Hannah Jacobs、Edward Elgood、Jason York等主演，于2017年上映。在107分钟的叙事中，《该隐山》（又名：内详）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.