Blood Diamonds

Jamie Reagan's visit to Boston takes an unexpected turn when he and Danny are drawn into a diamond heist linked to a violent family feud, forcing the brothers to confront lingering tensions of their own. Meanwhile, Mae faces a difficult case after swatting results in a man's death, Lena investigates a series of suspicious deaths linked to one of Reverend Peters' parishioners and Sarah and Seth encounter an unexpected hurdle while planning their wedding.