Sean and Jonah go undercover to track down a dangerous new threat affecting Boston's young adults, forcing Sean to confront unresolved ties from his past along the way.
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When Boston P.D. discovers a baby abandoned in a food delivery robot, Danny's anger causes him to slip back into his old rule-breaking ways; Sarah faces a difficult decision when her estranged mother reenters her life.
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; Lena investigates suspicious deaths.
When human remains are discovered inside a great white shark, Danny and Lena find themselves hunting a killer; Sarah reopens a troubling case from her past; Sean and Jonah get caught in the middle of a neighborhood feud.
When a subway station shootout leaves a detective critically injured, Danny and Lena race to determine what really happened; Sean grapples with how police work affects those closest to him.
As Danny and Lena follow a promising lead in the attack on Detective Rodgers with the help of her father, they find themselves in an intense standoff with a dangerous biker gang; Mae faces renewed pressure from political rival Thad Longfellow.
When a series of murders begins mirroring the infamous Boston Strangler killings, Danny and Lena race to stop a copycat killer before he strikes again; Danny faces a career-defining promotion.
When a captured serial killer hints at the whereabouts of a missing child, Danny teams up with a familiar ally in a tense race against time; health scares and long-kept family secrets surface, forcing members of the team to confront personal truths.
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 deadly threat strikes close to home, pulling Lena, Danny and the team into an intense investigation; Mae faces a political and personal reckoning, prompting a revelation that pushes Lena toward a life-changing decision.
When a college basketball star is threatened, Danny and Lena race to protect them while solving a murder; deeply personal conflicts and moral dilemmas surface, forcing the team to confront difficult truths about loyalty, identity and justice.
When a college basketball star is threatened, Danny and Lena race to protect them while solving a murder; deeply personal conflicts and moral dilemmas surface, forcing the team to confront difficult truths about loyalty, identity and justice.
When a captured serial killer hints at the whereabouts of a missing child, Danny teams up with a familiar ally in a tense race against time; health scares and long-kept family secrets surface, forcing members of the team to confront personal truths.
When a crisis erupts at a local hospital over a critical transplant error, Danny and Lena work to calm a volatile situation; an unexpected encounter pushes Lena to reflect on her past.
Sean and Jonah go undercover to track down a dangerous new threat affecting Boston's young adults, forcing Sean to confront unresolved ties from his past along the way.
Danny and Lena race to stop a string of violent crimes before the situation spirals out of control; Sarah's plans for a family outing take an unexpected turn; Jonah and Sean chase a case with surprising twists.
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; Mae and Sarah face painful truths that could change everything.
Mae faces public and family backlash over the consequences of her past decisions; Sarah struggles with guilt that pushes her to take risks in pursuit of justice; Lena and Danny dive into a tense homicide case.
Danny and Lena's investigation into a robbery gone wrong quickly turns personal; Sean and Jonah face rising tensions with Boston's firefighters; Sarah clashes with boyfriend Seth over family discipline.
With an assist from NYPD's Maria Baez, Danny and Lena hunt down a serial home invader; Sean's budding romance faces unexpected complications; Mae and Sarah uncover a troubling leak that could upend the justice system.
Danny and Lena take on a high-stakes murder case that leads to one of Boston's most infamous unsolved crimes; tensions rise within the Silver family as a complex shooting case sparks debate over accountability and parenting.
The Silver family observes Yahrzeit to honor patriarch Ben Silver on the one-year anniversary of his death; Lena and Danny investigate the murder of a beloved shop owner; Sarah responds to a hostage crisis; Mae faces a difficult legal decision.
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.
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.
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.
Sean and Jonah go undercover to track down a dangerous new threat affecting Boston's young adults, forcing Sean to confront unresolved ties from his past along the way.
A deadly threat strikes close to home, pulling Lena, Danny and the team into an intense investigation; Mae faces a political and personal reckoning, prompting a revelation that pushes Lena toward a life-changing decision.
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.
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.
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.
