"She was safe in a world of darkness. Now danger threatens in the cold light of day...Before the experimental surgery that gave her sight, Kendra Michaels developed her other senses to an amazing capacity. Now she can identify a Nissan by the sound of its engine, a Norelco electric razor by the pattern of stubble it leaves behind, or an obscure colorless fire accelerant by its sweet smell. Law enforcement agencies clamor for her rare powers of perception...

Directed by her inebriated boss to meet with the First Lady in Washington, D.C., rookie lawyer Jessica Ford barely survives a high-speed car crash in which the First Lady is killed, after which anmesia-stricken Jessica begins to suspect that the crash was not an accident.