Danny Reagan is going to have a new partner in Boston Blue after Blue Bloods fans got attached to his relationship with Maria Baez. CBS released the first trailer for Boston Blue on Thursday, September 4, in which Danny (Donnie Wahlberg) moves from New York to Boston. After chasing a suspect, he is ordered to stop his pursuit by Boston detective Lena Silver (Sonequa Martin-Green). The duo briefly face off before ultimately becoming work partners. Danny and Lena even seem to develop a friendship - with him joining her family for Shabbat dinner.