Context : The show was set and filmed in New York City, and with an ensemble cast of characters, the storylines centered on the lives of police officers of the New York City Police Department (NYPD) and the firefighters and paramedics of the New York City Fire Department (FDNY), all working the same fictional precinct during the 3 pm to 11 pm shift - the 'Third Watch'. 
Question : Which place is Third Watch in?
New York City