Dr. Ellie Sullivan has just completed her residency at a large urban hospital. While jogging in a park nearby, she witnesses the shooting of an FBI agent in pursuit of wanted criminals, a couple identified as the Landrys. he only person to see the shooter's face, Ellie is suddenly at the center of a criminal investigation. But the Landry's have been captured before, and each time the witnesses are scared into silence - or disappear before they can take the stand. FBI agent Max Daniels vows to be Ellie's shadow until the trial, and it isn't long before sparks fly.