Dr. Ellie Sullivan has just completed her residency at a large urban hospital. While jogging in a park nearby she witnesses the fatal shooting of an FBI agent in pursuit of wanted criminals. She is targeted by a shadowy criminal couple called the Landrys, and, as the only person to see the shooter's face, Ellie is suddenly at the center of a criminal investigation. After Agent Max Daniels takes over the Landry case he pledges to protect Ellie until she takes the witness stand. The two of them find their close quarters leading to passionate feelings. He's definitely not the ideal man that Ellie has always imagined, yet she's attracted to him in a way she can't explain.