In Memphis, Tennessee, a woman is brutally stabbed and left for dead in the street. When a witness comes forward with the license plate number of a van she saw driving from the scene, the homicide team must employ unique tactics to lure the suspect in. In Dallas, Texas, Detective Rick Duggan investigates the murder of an elderly man, shot inside his dental clinic. Investigators have little to work with until a woman comes into headquarters with information that seems too good to be true.