“Code of Ethics” – With an assist from NYPD’s Maria Baez (Marisa Ramirez), Danny and Lena hunt down a serial home invader. Sean’s budding romance faces unexpected complications. Meanwhile Mae and Sarah uncover a troubling leak that could upend the justice system, on BOSTON BLUE, Friday, Nov. 21 (10:00-11:00 PM, ET/PT) on the CBS Television Network, and streaming on Paramount+ (live and on-demand for Paramount+ Premium subscribers, or on-demand for Paramount+ Essential subscribers the day after the episode airs)*.