"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...

When a freak accident kills a driver on the remote roads outside Duluth, Jonathan Stride is disturbed to discover that the victim appears to be a ghost, with a false identity and no evidence to suggest who he really was. What's worse, the man has a gun locked in the trunk, and it has recently been fired. It's up to Stride to solve the mystery, but there are those who would stop at nothing to stop him.

A corporate troubleshooter is sent to a remote, top-secret location, where she is to investigate and evaluate a terrifying accident. She learns the event was triggered by a seemingly innocent 'human', who presents a mystery of both infinite promise and incalculable danger.