A psychological thriller revolving around two detectives, Beth and Jack (Dylan McDermott), who handle stalking incidents for the Threat Assessment Unit of the LAPD. McDermott's Jack Larsen is a recent transfer from Robbery Homicide from New York. His healthy confidence and quick thinking has gotten him into trouble in the past - a past he hopes to leave behind.
The show follows a crime, usually adapted from current headlines, from two separate vantage points. The first half of the show concentrates on the investigation of the crime by the police, the second half follows the prosecution of the crime in court.