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.
Carrie faces a backlash in the wake of her revelation about her past. Lucas faces a new threat.
Nola returns to Banshee. Proctor's mother ails from a disease. Carrie must choose between the heist and her relationship with Colonel Douglas Stowe.
Lucas' secret is threatened. Tommy Littlestone organizes a second strike against Proctor.
Siobhan is torn between exposing Lucas and keeping his secret. Chayton readies his army.
All hell breaks loose as Chayton and an army of Redbones invade Banshee, looking to avenge Tommy’s death. Holed up in the Cadi with Lucas and his deputies, Proctor is frustrated by his inability to attend to his ailing mother at home. As the assault reaches a fever pitch, Bunker tries to prove to Medding that he’s not the man he used to be.
Reduced to the status of observer as the FBI plans a raid on the Redbone wilderness compound, Lucas decides to take matters into his own hands in his pursuit of Chayton. Still stung by Proctor’s rebuke over her initiative in dealing with the Black Beards, Rebecca is further chagrined to learn of her uncle’s burgeoning romance with Emily. Deva is drawn to a handsome stranger.
Despite Job’s reservations, Lucas and his team pull off a daring heist at Camp Genoa. Lucas and Chayton are haunted by their recent deadly encounter. Calling a truce, Gordon and Carrie attempt an unusual intervention with Deva. Unbeknownst to her uncle, Rebecca heads to Philly to work out a deal with a spurned Proctor client.
Lucas and Brock head to Louisiana and the infamous Underground fight club in search of Chayton. Stowe pieces together details about the Camp Genoa heist, and who might be responsible. Burton’s torment turns to resolve. Sugar looks to repay an old boxing debt. Rebecca’s initiatives put Proctor and Emily in harm’s way.
Lucas recalls the history of his friendship with Job, while pondering the future - if there indeed will be one. Proctor and Emily pay the price for Rebecca's recklessness. Carrie and Gordon pick up the pieces of their shattered relationship. Stowe and Leo land a big fish. Bunker reconnects with his skinhead past. Deva gets a lesson about crime and punishment.
Lucas recalls a furtive chapter in his life and a fan of Job's work offers him special treatment. Later, Lucas is surprised when Gordon joins him for final negotiations with Stowe in Genoa, and Proctor and Rebecca pick up a new ally as they depart for Philadelphia to settle a score.