Riley, the bratty girl from Sent to the Principal's office has a problem with her math teacher, who's flunking her for not doing any work in class. She's got a plan to change his mind, flirting and teasing him, but he resists. But can he resist the pretty crystal she rolls over her navel, belly button, and breasts. Can he resist her pout and beautiful eyes. Or now the crystal swaying before his eyes and her soothing voice...