Jackie searches for his absent informant as Jenny searches for purpose, revisiting her passion to become a teacher. Decourcy works up a plan to overcome the town’s infamous “Code of Silence” and get a few suspects to talk. Minogue is assigned a big case, but not the one he actually cares about. Jimmy skips town to visit his kids and finds that, even a thousand miles away, he’s not safe from his problems back home.

Jackie celebrates another moment in the spotlight, though an unfamiliar pang of guilt leaves him reflecting on his legacy. Decourcy considers the best course of action to finally carry out justice for the murdered guards. Jimmy is desperate to weasel his way out of the mess he’s created, even if it means putting his brother’s future into question. Jenny faces what has been haunting her all these years. Season finale

As U.S. Attorney Karen Shimizu tries to get rid of her troublesome agent once and for all, Jackie schemes his way into a new mission. At the Suffolk County Courthouse, Decourcy and Siobhan spar on opposing sides of a legal battle. Meeting dead-ends at every turn in the effort to help her son, Grace does something desperate. With a nudge from Maeve, Jenny surprises Benny with some rebellious fun. On the other side of town, Cathy re-ups her supply by going straight to the source.

With Anton on the lam, Kelvin struggles to lead the Braxton Boys and Jackie homes in on Grace. He knows she's hiding something. Sidelined from the investigation, Decourcy finds himself at a disconnect with Siobhan, as he seeks vengeance and she focuses on recovery. When Cathy’s arrangement with Isaac falls through, she pays a reluctant visit to old friends for help. Jenny, meanwhile, finally uncovers the truth about her new friend.

Struggling to make ends meet after leaving the FBI, Jackie Rohr gets a job offer from his old mentor. The perks are enticing, but Jackie has no idea what he’s getting himself into. ADA Decourcy Ward eyes a promotion but is diverted by some bad news which lands him back in Brooklyn. Siobhan Quays, having left her prestigious law firm for a position at the ACLU, takes on a case against a construction colossus. Jenny Rohr begins volunteering at a community center where she runs into a familiar face.

When Victoria Dryden runs away from home, Sinclair sends Jackie to find her. Caysen is after justice for BPD Officer Russ Wallace, who he believes may have been intentionally executed by another member of the Strike Force. The incident sparks a dispute at the Ward home in Brooklyn, where Decourcy is looking after his ailing father. While building a case on behalf of her impaled client, Siobhan experiences an intensifying array of symptoms. Diarmuid Doyle tries to help Jenny remedy what has been bothering her, but his plan backfires.