Frank battles City Council speaker Regina Thomas over protests against police brutality; Jamie and his nephew, Joe Hill, try to locate a missing Danny and Baez; Eddie helps an abrasive woman find her father's body.
Danny and Jamie combine forces to convict a notorious drug lord; Erin nervously awaits the governor's selection for the new district attorney; Frank and his grandson face a difficult decision.
Frank struggles after Joe Hill's lineage as a Reagan is revealed; Erin and Anthony receive gift-wrapped evidence; Danny's opposition to authority clashes with Jamie's adherence to the rules, as both brothers work to solve a murder.
Erin is conflicted by the weight of her authority in the sentencing of a man who is guilty of vehicular homicide; Danny and Baez pursue a rideshare rapist; Jamie and Eddie team up to aid a fellow officer when his partner is shot on the job.
Eddie and her partner, Officer Rachel Witten, 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.
Frank deals with a police captain who's losing his grip over his precinct; Danny faces backlash after a tough call he made in the field; Erin weighs the consequences of a dangerous criminal's release under new bail laws.
After Danny witnesses a drive-by shooting, he butts heads with the detective assigned to the case; a childhood friend of Jamie's is convinced that she has single-handedly solved a cold case murder.
Erin tries not to feel overpowered as her new boss shadows her at work just as she's trying to get a nervous eyewitness to reveal the identity who shot her boyfriend; Jamie arrests an intrusive reporter who appears at a series of store lootings.
Baez confides in Danny and asks for help in proving her innocence after she finds a corpse in her front yard; Erin struggles to find a peaceful solution when she receives harsh case notes from her boss.
Frank asks Erin to help with policy reform he privately backs but can't publicly support; Danny and Baez become enmeshed in the world of competitive gaming when a high-profile video game streamer is murdered.
Frank takes matters into his own hands to save Gormley's career when complaints against him become public knowledge; Danny and Baez learn to be allies when the transgender community comes under attack.
Business becomes personal for Frank and his team when Baker is assaulted; Erin asks her ex-husband to represent a defendant she's prosecuting; Eddie wonders if she's being too stubborn after she publicly undermines one of Jamie's decisions at work.
Jamie refuses to explain why he contests the arrest report of a fellow officer who was assaulted in the field; Danny and Baez clash when their lead suspect for a murder of one of Danny's favorite comics.
Garrett refuses to walk back a quote he provided to a local newspaper; Danny and Baez discover something shocking while investigating a murder; Anthony is mistaken for a mafioso; Eddie pressures Jamie to take a love language quiz.
Shockwaves ripple through the Reagan family when Danny discovers that their newest family member, Joe Hill, 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.
