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.

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.

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.

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.

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

Carrie embarks on a vigilante crusade. Brock eyes Lucas in the serial-murder case.

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.

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.