An unnamed ex-convict assumes the identity of Lucas Hood the sheriff of Banshee, Pennsylvania, where he, behind a badge, continues his criminal activities, even as he’s hunted by the shadowy gangsters he betrayed years earlier.
In the aftermath of their bloody shootout with Rabbit, Lucas, Carrie and the Banshee Sheriff's Department are interrogated by the FBI. Proctor sets his sights on persuading Rebecca to return to his care. As Gordon stews over his wife's betrayal, Deva shows off her resourcefulness.
Spurned by Deva and Gordon, Carrie is forced to take up a new residence. With his leadership abilities questioned, Alex ramps up his efforts to recover the money stolen in the casino heist. Siobhan relives a nightmare when her ex-husband shows up looking to reconnect. Lucas is asked to return Proctor's favor.
A shocking murder near an Amish farm fractures relations between the Kinaho tribe and the Amish, who are forced to rely on Proctor to fend off a vengeful mob. Investigating the crime on Kinaho turf, Lucas and his deputies find themselves confronted by uncooperative gang members and their imposing leader. Carrie welcomes an unexpected visitor, and Lucas deals with the sudden appearance of a most unwelcome one.
Following a lead, Lucas visits a strict Amish school teacher who might have insights into the murder of a Kinaho tribe member and the disappearance of Solomon Bowman. Emmett and Siobhan find transferring a prisoner more difficult than expected. Rebecca copes with the pain of her parents' rejection. Proctor offers Alex a peace offering. Nola delivers a final blow for justice.
Lucas considers moving on after he and Carrie take a detour on their drive back to Banshee. Racine recalls the botched case against Rabbit that has haunted him for years.
When Jason’s past catches up to him, Lucas decides to make a deal to save the boy’s life, and maybe his own. In the absence of Carrie, Gordon and Deva’s lives spin out of control. Proctor teaches Rebecca a hard lesson in allegiance.
Lucas attempts to bring down Proctor's ecstasy operation by rattling the regulars and dancers at the Savoy strip club. Carrie, Deva and Gordon unite over a family crisis. Alex receives a no-confidence vote at tribal council. Job exhibits an explosive side.
An illegal search warrant helps Lucas bust Proctor, but at a cost. Sharp and his skinheads look for payback against Emmett, testing the limits of the deputy’s patience. Carrie provides the cash for Max’s treatments and takes a small step towards thawing out her relationship with Gordon and Deva. Job finally gets a lead on Rabbit.
In New York, Job drops in on a priest with ties to Rabbit, taking a hit for his troubles. Carrie's relationship with Gordon faces a new test in the wake of another revelation. Burton silences one traitor, but another eludes him. Alex vows to deliver evidence to keep Proctor behind bars. Emmett moves on, while Brock looks to move up. Lucas and Carrie brace for an epic showdown, as does an NYPD captain with ties to their past.
Fueled by painful memories that led them to the point of no return, Lucas and Carrie steel themselves for the fight of their lives against a vengeful Rabbit and his ruthless soldiers. Rebecca proves her allegiance as Proctor returns home.