该电影由Lucio Fulci执导，Jared Martin、Lara Naszinsky等主演，于1987年上映。在90分钟的叙事中，《复仇之谜》（又名：内详）The spirit of a comatose teenage girl possesses the body of a newcomer to her girls boarding school to enact bloody revenge against the elitist, lingerie-clad coeds responsible for her condition.