In 1979, in the town of Vermilion, Illinois, a monster is on the loose. Tearing its way through the community, the creature leaves behind dismembered corpses and messages written in blood upon the walls. IT Came From Behind. IT hurts us. IT will never stop. With the police determined to find a rational explanation for the carnage, putting an end to the horror falls to a small group of misfits with little in common except an unduly amorous disposition. An X-rated horror story.