"You can go back to being the city's dark knight. " Dr. Aleksandra Pulaski tells officer Zane Calloway exactly what she thinks when he shows up in her E. R. with a bullet wound. But Zane isn't leaving her E. R. too fast. A former domestic violence case went bad, and now Alyx's life is in danger. With Zane her only hope. . . ;. Zane reluctantly signs up to be Alyx's bodyguard. Trouble is, he could get used to having the infuriating beauty around-permanently. But can he keep her safe from a bitter man's revenge long enough for her to penetrate his steely heart?