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.

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

Resolved to leave Banshee, Lucas learns that the murder case he thought was finally closed may in fact be opening again. After a tense faceoff with Calvin and the Brotherhood, Proctor looks to finalize his deal with the Colombians. Carrie takes aim at one final act of vengeance. Brock demands allegiance from Bunker as Banshee braces for an uncertain future.

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.

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

Recalling a series of prison therapy sessions that fueled his hatred of Rabbit, and pressed by Xavier’s insistence that the FBI handle a kidnapping case, Lucas makes a decision that will change the collective fate of Carrie, her family, Sugar, Job, and the entire Banshee police force. A special delivery at Alex’s doorstep leads Nola to reconsider her future; Kai teaches Rebecca the power of telecommunications.

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.

Fearing for Dawson’s safety, Lucas and Brock ramp up their efforts to hunt down Bode. With the Brotherhood poised to go to war with Proctor, Kurt looks to keep Maggie safe while Calvin takes out his frustrations at the office. Job settles a score with Leo Fitzpatrick, a Camp Genoa adversary.

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

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.

A mixed martial arts title bout is being planned at the local Kinaho Moon Casino, run by tribe leader Benjamin Longshadow and his son Alex. Huge profits are anticipated for Banshee investors, but the enterprise is threatened when the champion angers Lucas.

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 and Carrie enlist Fat Au in a last-ditch attempt to track down Job.

With help from Lucas, Dawson narrows her search for Declan Bode, a Satanist “person of interest” in Banshee’s serial murders. An emboldened Calvin throws down a gauntlet to Proctor and Kurt. Carrie’s recent vigilantism ends up putting both her and Deva in peril.

Wicks, an ex-con from Lucas’ past, passes through Banshee, triggering memories about the Albino, a brutal insider enlisted by Rabbit to make Lucas’ prison life a living hell. Proctor turns to extortion when a reverend refuses to sell his home to make room for a casino hotel.

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.

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.

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.

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.

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.

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.

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

With his inability to find Job, Lucas returns to Banshee two years later to look for a serial murderer on the loose.