Synopsis: Twins Tam and Lorna have been separated since the night Lorna attacked their father and ran away from home. With little to go on except haunting premonitions and nagging unanswered questions surrounding the disappearance, Tam and her father set out to find the missing sibling. Even more troubling are the visions Tam has of her sister's psychosexual need to kill. What is the source of this insatiable bloodlust? What if the dreams are true and Lorna really is a murderous monster? Can Tam and her father find Lorna and stop the death toll or will they only become a part of it?