Allison Avery's cell phone is possessed—literally. Maybe. Growing up between two sisters of blond beauty, fiery and sarcastic Allison is fed up with being invisible. When the devil appears in a dream and offers to trade Allison good looks for her cell phone, she makes the deal. How much damage can a little phone do anyway?

Allison begins to get tons of attention: new friends, a boyfriend, a chance to win a modeling contest. Is it all the devil's work, or is something more mysterious happening?