Early, made-for-TV high-suspense occult thriller by now-famous horror director Wes Craven. Linda Blair (The Exorcist) stars as Rachel, a teenager who is disturbed by her cousin Julia (Lee Purcell) who has come to stay with the family since the death of her parents in a car crash. Rachel immediately feels that something is not quite right about her cousin, but her parents refuse to listen to her concerns. Soon unsettling and unexplained events begin to occur, and Julia begins to exert a powerful influence over the family. Can Rachel convince her family that Julia is the cause of all the diabolical goings-on before it is too late?