Detective Amelia Sachs is hot on the trail of a murderer, chasing him through a Brooklyn department store, when her pursuit is fatally interrupted. An escalator gives way, forcing Sachs down into the machinery to help the man trapped in its depths ... and enabling the suspect to flee. But was it simply a freak accident? Could the killer's presence in the store really be a coincidence? Jeffery Deaver's twelfth Lincoln Rhyme thriller.