Boston Blue 1×20 Promo “Patrol” Season Finale | Donnie Wahlberg Blue Bloods spinoff

Boston Blue 1×20 “Patrol” Season 1 Episode 20 Promo (Season Finale) – An investigation collides with pivotal personal and professional decisions; as the D.A. election draws closer, shifting dynamics and an unexpected incident heighten the urgency and raise questions for everyone involved.