Boston Blue 2x02 "Ripple Effect" Season 2 Episode 2 Promo Trailer HD - As Danny and Lena follow a promising lead in the attack on Detective Rodgers with the help of her father, they find themselves in an intense standoff with a dangerous biker gang; Mae faces renewed pressure from political rival Thad Longfellow. » Watch Boston Blue Fridays at 10pm on CBS » Starring: Donnie Wahlberg, Ernie Hudson, Sonequa Martin-Green #BostonBlue
