Boston Blue 1×03 Promo “History” Donnie Wahlberg Blue Bloods spinoff

Boston Blue 1×03 “History” Season 1 Episode 3 Promo – A body found on the Boston wharf pulls Lena and Danny into a tense drug investigation; Jonah and Sean chase down a missing man tied to a scavenger hunt; Sarah and Mae navigate emotional challenges at home and in court.