High Noon by Nora Roberts
Phoebe MacNamara first comes face to face with Duncan Swift high up on a roof, as she tries to stop one of his ex-employees from jumping to his death. As Savannah's chief hostage negotiator, Phoebe is calm, courageous, and ready to risk her life to save others. But this chance meeting with Duncan will bring dramatic repercussions for them both.
When Phoebe is brutally assaulted in her precinct house she realizes that someone is out to destroy her - both professionally and personally. With Duncan's support, Phoebe must discover just who is pursuing her, before it's too late . . .