New York Times bestselling author Alexandra Ivy quenches your thirst for illicit desire with this seductive tale of the Sentinels - outcast humans with the ability to tread the line between life and death - and pleasure and pain...Ph.D student Angela Locke has a crush on her sexy professor, Dr. Nikolo Bartrev. When she learns he's actually a Sentinel with extraordinary powers, she joins forces with him to catch a psychopath. But soon, their hottest pursuit is of each other...