Boston Blue 1x14 "Blood Chemistry" Season 1 Episode 14 Promo Trailer HD - Sean and Jonah go under cover to track down a dangerous new threat affecting Boston's young adults, forcing Sean to confront unresolved ties from his past along the way.
» Watch Boston Blue Fridays at 10pm on CBS
» Starring: Donnie Wahlberg, Ernie Hudson, Sonequa Martin-Green
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