Quadriplegic forensic criminologist Lincoln Rhyme and his partner, Amelia Sachs, engage in a two-day race against time when a twisted killer, exploiting the modern world's drive toward sustainable energy, uses an everyday energy source as a weapon.
When a troubled teenager is pushed over the edge by cyber-bullies, leading to a series of vengeful murders, body-language expert Kathryn Dance and Deputy Michael O'Neil pursue the teenager when he disappears.
Lincoln Rhyme and Amelia Sachs take on the investigation of a brutal triple murder in Manhattan's Diamond District. The killer, known as the Promisor, is murdering men and women midway through the purchase of an engangement ring.