When faced with a lengthy prison sentence, Russ Mahler - a career criminal armed with a destructive secret - blackmails the only man that can get him off the hook, Manhattan District Attorney Graham Seifert. An ambitious politician on the rise, Graham's life is upended when Senator Monty Clemens asks him to join his ticket to become the next Governor of New York. Clemens, a corrupt politican, is currently being investigated by the D.A.'s office for a multi-million dollar embezzling scheme.
The exploits of a group of men and women who serve the City of New York as police officers, firemen, and paramedics, all working the same fictional 55th precinct during the 3pm to 11pm shift - the 'Third Watch'.