In the aftermath of their bloody shootout with Rabbit, Lucas, Carrie and the Banshee Sheriff's Department (BSD) are interrogated by FBI special agent Jim Racine, who metes out punishment that may, or may not, fit the crimes. Meanwhile, 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 after being caught shoplifting in a mall. Later, a straightforward armored-truck robbery turns into a dangerous high-speed chase involving a mysterious motorcycle pursuer.

Spurned by Deva and Gordon, Carrie is forced to take up a new residence. With his leadership abilities questioned by rival George Hunter and the tribal council, Alex ramps up his efforts to recover the money stolen in the casino heist. Siobhan relives a nightmare when her ex-husband, Breece Connors, 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, Chayton Littlestone. Meanwhile, Carrie welcomes an unexpected visitor, while Lucas deals with the sudden appearance of a most unwelcome one.

Following a lead from Brock, Lucas visits a strict Amish schoolteacher who might have insights into the murder of Kinaho tribe member Lana Cleary and the disappearance of Solomon Bowman. Emmett and Siobhan find transferring a captive Chayton more difficult than expected. Rebecca copes with the pain of her parents' rejection. Proctor offers Alex a peace offering, and Nola delivers a final blow for justice.

Lucas considers moving on after he and Carrie take a detour on their drive back to Banshee. Agent 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.

In an effort to bring down Proctor, an enraged Lucas looks for trees to shake. After rattling the regulars and strippers at the Savoy, Lucas and his deputies rough up Sharp, a junkyard skinhead, for info on Proctor’s ecstasy operation. A family crisis brings Carrie, Deva and Gordon together; Alex (Anthony Ruivivar) faces a vote of no-confidence at the tribal council; Job shows off his explosive side.

An illegal search warrant helps Lucas bust Proctor, 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.

While in New York, Job visits a priest with ties to Rabbit; Carrie's relationship with Gordon faces a new test following another revelation.

Lucas and Carrie steel themselves for a showdown with a vengeful Rabbit and his ruthless soldiers; Rebecca proves her allegiance.

With Rabbit dead and Emmet's death avenged, Banshee has since been nothing but a quiet town. But things begin to change when Hood eyes a risky new job, as Chayton returns railing the Kinaho to war.

Nola returns to Banshee. Proctor's mother ails from a disease. Carrie must choose between the heist and her relationship with Colonel Douglas Stowe.

Nola and Burton have a bloody confrontation. Tommy defies Chayton's orders and attacks Proctor's club. Hood's secret is threatened when a FBI agent shows up at his door, as someone close to him discovers the truth.

Carrie quits her job at the diner. Deva steals from a video game store. After Siobhan's discovery, Lucas decides to kill Proctor before leaving Banshee for good, with unforeseen consequences.

Cadi becomes a war zone when Chayton and the Red Bones attack the station with Hood, Brock, Proctor, Siobhan and the others trapped inside.

Hood copes with Siobhan's death. The FBI takes over in the hunt for Chayton. A wedge is driven between Proctor and Rebecca.

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.