Lena's pursuit of justice forces Danny into an unexpected role reversal, while Sarah faces a personal dilemma that tests her resolve. Meanwhile, Mae contends with political pressure, and Sean and Jonah uncover more than they anticipated during a routine case.
NYPD detective Danny Reagan teams up with Boston detective Lena Silver to investigate a deadly fire at a tech company. As they dig deeper, they uncover a complex web of secrets involving facial recognition technology, family ties and a search for justice that brings the Silver and Reagan families closer together.