Kristy is a high school girl who witnesses a brutal murder by an unknown being. Kristy is so traumatized by the events that she is committed to a state hospital for a while and the doctor there tries many harsh methods to get her to remember the actions and the murderer, but to no avail. Meanwhile Kristy's parents buy a small resort motel on Grand Lake. Shortly after her release Sir Walter Cromwell a retired inspector and writer of police procedure books comes to stay at the resort. He has come to persuade Janet Anderson a longtime friend to join him in investigating paranormal phenomenon, as...