Working for the office of the public defender, Clay Carter, like many of his colleagues is poorly paid and dissatisfied with his job. One day, Carter's life unknowingly takes a new turn when he accepts to fight the case of a man accused of a street killing. Indifferent at the beginning, Carter considers the case to be another low-profile one until he is drawn deeper into the plot, unraveling terrifying links to a giant pharmaceutical company. The case starts to transform into a life-changing game for the protagonist in Grisham's thrilling novel.