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Amidst a shifting political climate, Frank goes head to head with City Council Speaker Regina Thomas (Whoopi Goldberg) over protests against police brutality. Also, Jamie and his nephew Joe Hill (Will Hochman) work together to locate Danny and Baez when they go missing while searching for a killer, and Eddie steps up to help an abrasive woman find her father's body after it was misplaced durin...

Danny and Jamie combine forces to convict a notorious drug lord, as Erin nervously awaits the Governor's selection for the new District Attorney. Also, Frank and his grandson, Joe Hill (Will Hochman), face a difficult decision as they navigate their new and complicated family ties

When Joe Hill's lineage as a Reagan is revealed, Frank struggles from a distance when his grandson wants to fight his own battles. Also, when Erin and Anthony receive gift-wrapped evidence, they carefully weigh their options to either take down a long-time mafia leader, or stifle an ambitious mob up-and-comer. Also, Danny's opposition to authority clashes with Jamie?s adherence to the rules, a...

Frank must decide whether the department can accommodate a request to remain in the field from Detective Allison Mulaney (Ali Stroker), a lauded cop who is wheelchair-bound after being wounded in the line of duty. Also, Erin is conflicted by the weight of her authority in the sentencing of a man guilty of vehicular homicide, Danny and Baez pursue a rideshare rapist and Jamie and Eddie team up ...

Eddie and her partner, Officer Rachel Witten (Lauren Patten), are heralded for their bravery for stopping an active shooter, until a civilian comes forward to accuse them of faking the incident as part of a government conspiracy

The Reagans confront hard choices on the job when Frank deals with a police captain who's losing his grip over his precinct, and Danny faces backlash from the Baez and Internal Affairs over a tough call he made in the field

After Danny witnesses a drive-by shooting, he butts heads with the detective assigned to the case. Also, a childhood friend of Jamie's is convinced that she has single-handedly solved a cold case murder, and Frank struggles to trust an ex-detective when he brings forth information about a suspected crime ring

Erin tries not to feel overpowered as her new boss shadows her at work just as she's trying to get a nervous eye-witness to reveal the identity of who shot her boyfriend. Also, the serial killer who previously held Danny and Baez hostage resurfaces, and when Jaime arrests an intrusive reporter who appears at a series of store lootings, it leads to a standoff between Frank and the Attorney Gene...

Baez confides in Danny and asks for his help in proving her innocence after she finds a corpse in her front yard. Also, Erin struggles to find a peaceful solution when she receives harsh case notes from her boss, Jamie and Eddie butt heads over the handling of a young cop's punishment, and Frank makes his whole team attend therapy after Gormley exhibits troubling behavior

Frank asks Erin to liaise between him and NY Governor Mendez regarding policy reform he privately backs, but can't publicly support, because it goes against police rank and file.

Frank takes matters into his own hands to save Gormley's career when the officer is accused of using excessive force after decades-old complaints against him become public knowledge.

Business becomes personal for Frank and his 1 Police Plaza team when Baker is assaulted on the street, as well as for Erin, when she asks her ex-husband, Jack Boyle (Peter Hermann), to represent a defendant she's prosecuting. Also, Eddie wonders if she's being too stubborn after she publicly undermines one of Jamie's decisions at work, and Danny and Baez investigate the attempted murder of a c...

Jamie faces official reprimand from Frank when he refuses to explain why he contests the arrest report of a fellow officer assaulted in the field, a rising rookie with allies in City Hall.

Frank and the Deputy Commisioner of Press Information, Garrett Moore (Gregory Jbara), quarrel when Garrett refuses to walk back a quote he provided to a local newspaper.

Shockwaves ripple through the Reagan family when Danny discovers that their newest family member, Joe Hill (Will Hochman), is working undercover for the ATF to bring down a gunrunning organization.

The Reagans band together to prevent Joe Hill from being killed in the line of duty like his father when they fear Joe's cover has been blown within the gunrunning outfit he's helping the ATF bring down.