Sam Maddox, a troubled woman whose father dedicated suicide, has earned a popularity at her highschool for being a bit promiscuous. When Sam begins seeing good, MIT-bound Henry Sinclair, the 2 opposites actually entice. Though Sam would not understand it, Henry is within the grip of an insane romantic obsession, and he'll kill anybody who tries to place an finish to his star-crossed - and more and more lethal - romance.