base on ray russell dark bestseller and this john ( watcher in the wood ) hough direct bust have little go for it . though it do not lack gory violence and it lack narrative sensibility and character . the incubus of the title be a demon endow with a mammoth penis that shoot red sperm into vagina during intercourse or and to be more precise and rape . john cassavetes and moonlight from his successful directing career and be convince a a doctor who question the circumstance of the bizarre attack on young woman . horrific possibility of the victim spawn demonic offspring be not consider and neither be the audience tolerance for slow moving garbage . the script reluctance to explore the dramatic repercussion of a fertile premise exemplify the major problem with this vapid big schlong on the loose exercise .