The FBI doesn't usually consult with music therapists to solve their cases. But Kendra Michaels's astonishing powers of observation and analysis have made her a favorite of law enforcement agencies all across the country. She cares little for investigative work but can't deny her unique skill or her results. Blind for the first twenty years of her life, Kendra learned at an early age to become hyper-aware of her surroundings, perfecting the art of picking up the most subtle audio, olfactory, and tactile cures in the world around her.