Sometimes promises to friends are the hardest to keep. Undercover police officer, Michael Tanner, promised his dying partner that he'd take care of the man's little sister. Trouble is, after her brother's death, Doctor Tori Spinelli wants nothing to do with Michael-or any other cop for that matter. Tori has always fought against overprotective men and deception. Forced into protective custody with Michael, she's now faced with both in the same package. Despite their differences, Tori falls in love with him, but how can she trust a man who lies for a living?