As a Confidential agent, Isabelle Rush's assignment included tracking down and rescuing a kidnapped heiress in South America—not encouraging the attention of her infuriatingly gorgeous and highly skilled partner, Rafe Montoya. Between the stray bullets surrounding them and the local cops arresting them, remaining focused was key to their survival. But time was running out and their high-stakes mission was putting Isabelle's undercover training to the ultimate test. Now, she would do all she could not to fall prey to an elusive enemy…or to Rafe's playboy charms.