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.
A body found on the Boston wharf pulls Lena and Danny into a tense drug investigation alongside Lena’s former partner, Detective Brian Rodgers, sparking personal and professional friction. Jonah and Sean chase down a missing man tied to a scavenger hunt, while Sarah and Mae navigate emotional challenges at home and in court.
Mae faces public and family backlash over the consequences of her past decisions, while Sarah struggles with guilt that pushes her to take risks in pursuit of justice. At the same time, Lena and Danny dive into a tense homicide case, and Jonah’s anger over his father’s death threatens to unravel fragile family ties.
Following the release of Ben’s killer from prison, Jonah continues to struggle with anger and grief confronting the killer and putting family bonds to the test, and Mae and Sarah face painful truths that could change everything. Meanwhile, Danny and Lena take on a high-stakes case that uncovers deep-rooted secrets and forces unlikely alliances.