Mona Gray is a 20-year-old loner who, as a child, turned to math for salvation after her father became ill. As an adult, Mona now teaches the subject and must help her students through their own crises.
A frustrated man decides to take justice into his own hands after a plea bargain sets one of his family's killers free. He targets not only the killer but also the district attorney and others involved in the deal.
