Love and lust are among the most powerful of emotions, but when joint thirst for violence is thrown into the mix, it creates the ultimate lethal cocktail. Exploring the deadly dynamic that exists within the relationships of men and women whose romantic obsession leads them to commit acts of bloody devastation. Includes case histories from around the world - some well known, others whose shocking truth is revealed for the first time. The horrific details of couples, that had they never met may have continued living 'normal' lives in unremarkable obscurity, but who have instead acted upon joint sadistic, monstrous fantasies.