Dangerous To Hold (Spies, Lies & Lovers - #4)
Teresa Hill

She's horrified to learn a man she trusted and loved turned out to be a traitor who’d gotten an agent killed. Even scarier — some people believe Amanda might have been in on his treachery.
Surprisingly, Joshua Carter — a beautiful, sophisticated man totally out of her league — is livid that anyone dares suspect her. He becomes her champion, her protector, and unless she's mistaken, he wants a relationship with her that's much more personal and dangerous to her battered heart.