"A woman awakes in the morning to find that someone has picked her apartment's supposedly impregnable door lock and rearranged personal items, even sitting beside her while she slept. The intrusion, the police learn, is a message to the entire city of carnage to come. Lincoln Rhyme and Amelia Sachs are brought in to investigate and soon learn that the sociopathic intruder, who calls himself 'the Locksmith' can break through any lock or security system...

A quadriplegic since a beam crushed his spinal cord years ago, Lincoln Rhyme is desperate to improve his condition and goes to the University of North Carolina Medical Center for high-risk experimental surgery. But he and Sachs have hardly settled in when the local authorities come calling. In a twenty-four-hour period, the sleepy Southern outpost of Tanner's Corner has seen a local teen murdered and two young women abducted. And Rhyme and Sachs are...