Hell rains down in this all-star demonic horror film! William Shatner stars as a young man whose father has gone missing. Ida Lupino, Shatner's mother, urges him to go on a quest to find his lost parent. However, his father returns with a message from a Satanic priest who wants a mystical book that Shatner's family owns. Refusing to turn over the book, the family must join together with an expert on the occult in order to fend off the priest and stop a scourge of demons let loose on the world. John Travolta, Tom Skerritt, Ernest Borgnine and Eddie Albert also star.