Boston in the 1990s can be a deadly place. The local cops have accepted gang violence and corruption as the norm, but that’s about to change with the arrival of a Brooklyn-born district attorney. The new DA is no stranger to intimidation from criminals and law enforcement alike. He enlists the help of an FBI veteran to take on one of the city’s toughest criminal enterprises. In doing so the DA and FBI agent could forever change how criminal justice is served in Boston.