"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?