The humorous, poignant story of a declining New England town and its inhabitants, whose lives are deeply rooted in and influenced by the Knox River and its vacant mills, their class differences, and ghosts of the past.

In cases ripped from the headlines, police investigate serious and often deadly crimes, weighing the evidence and questioning the suspects until someone is taken into custody. The district attorney's office then builds a case to convict the perpetrator by proving the person guilty beyond a reasonable doubt. Working together, these expert teams navigate all sides of the complex criminal justice system to make New York a safer place.