
NYPD detective Danny Reagan takes a position with the Boston Police Department and is paired with detective Lena Silver, the eldest daughter of a prominent law enforcement family. The Silver family is comprised of Boston district attorney Mae Silver, Boston PD detective Lena Silver, police superintendent Sarah Silver, rookie cop Jonah Silver and renowned Baptist pastor Reverend Edwin Peters. As Reagan settles into his new city, he also hopes to reconnect with his younger son, Sean, who is beginning his own career in Boston.

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.

Lena and Danny are pulled into a high-stakes murder investigation when a whistleblower tied to one of Mae's court cases is found dead; Jonah and Sean prepare for their first official day on the job.

An investigation collides with pivotal personal and professional decisions; as the D.A. election draws closer, shifting dynamics and an unexpected incident heighten the urgency and raise questions for everyone involved.

A body found on the Boston wharf pulls Lena and Danny into a tense drug investigation; Jonah and Sean chase down a missing man tied to a scavenger hunt; Sarah and Mae navigate emotional challenges at home and in court.