Homicide detectives Danny Brown and Jack Bradshaw has a troubling case fall in their laps. A killer that completely sanitizes the crime scene is their quarry. With no evidence, no suspects, and no leads the detectives investigate a cold case in the making. During their investigation they learned of homicides outside of their jurisdiction with facts that matched their case.

Now the detectives are trying to figure out if their quarry is a serial killer, or a proficient assassin?