Eighteen-year-old Kristina is determined to manage her crystal meth addiction in order to take care of her newborn son, but when the pull of the drug becomes too strong, her greatest fears are quickly realized.

Kristina Georgia Snow is the perfect daughter : gifted high school junior, quiet, never any trouble. On a trip to visit her absentee father, Kristina disappears and Bree takes her place. Bree is the complete opposite of Kristina-she's fearless. Through a boy, Bree meets the monster : Crank. What begins as a wild, ecstatic ride turns into a struggle through hell for her mind, her soul, her life.