Sara and Michael. The ideal celebrity couple, darlings of the media - until their lives are shattered by a mystery illness.

Dr Harvey Riker. His clinic has found the miracle cure that millions seek. One-by-one his patients are getting well. One-by-one they are targeted by a serial killer more fatal than the disease.

Lieutenant Bernstein. His true desires make him a perfect choice to track the killer - or a perfect victim.

Can anyone stop the killer who will do anything to prevent the world's most desperately needed miracle cure . . . ?