Meredith Carlyle is living an unhappy, lonely life as an EMT in the city of Seattle. During a campus shooting, she breaks the rules and helps save a life by going way outside of her scope of practice. Disgraced, she is left without a job or an identity to call her own. That night, she literally stumbles over the body of a headless teenager left by the shore of the Montlake Shipping Canal. Meredith is plunged into the world of forensic investigation...