In early 90s Boston, an African-American District Attorney comes in from Brooklyn advocating change and forms an unlikely alliance with a corrupt yet venerated FBI veteran invested in maintaining the status quo. Together they take on a family of armored car robbers from Charlestown in a case that grows to encompass and eventually upend Boston’s city-wide criminal justice system.

The New York office of the FBI brings to bear all their talents, intellect and technical expertise on major cases in order to keep their city and the country safe.