In the aftermath of their bloody shootout with Rabbit, Lucas, Carrie and the Banshee Sheriff's Department are interrogated by an FBI special agent. Later, an armoured-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. Alex ramps up his efforts to recover the money stolen in the casino heist. Siobhan relives a nightmare when her ex shows up looking to reconnect, and Lucas is asked to return Proctor's favour.

A shocking murder fractures relations between the Kinaho tribe and the Amish, who are forced to rely on Proctor to fend off a vengeful mob. Meanwhile, Carrie welcomes an unexpected visitor, while Lucas deals with the sudden appearance of a most unwelcome one.

Lucas visits an Amish teacher who might have insights into the murder of Kinaho tribe member Lana Cleary, and Solomon Bowman's disappearance. Emmett and Siobhan find transferring a captive Chayton more difficult than expected, and Proctor offers Alex a peace offering.

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 in order 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.

An enraged Lucas looks for some trees to shake in an effort to bring down Proctor. After rattling the regulars and strippers at the Savoy, Lucas and his deputies rough up Sharp, a junkyard skinhead, for info on a Proctor-run ecstasy operation.

An illegal search warrant helps Lucas bust Proctor, at a cost. Sharp and his skinheads look for payback against Emmett. Carrie provides the cash for Max's treatments and takes a small step towards thawing out her relationship with Gordon and Deva.

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 in jail.

Fuelled by the painful memories that led them to this point of no return, Lucas and Carrie steel themselves for the fight of their live against a vengeful Rabbit and his ruthless soldiers. In Banshee, Rebecca proves her allegiance as Proctor returns home.

Lucas, Brock & Siobhan exact payback on a skinhead responsible for Emmett's death. Carrie faces new challenges in the wake of her revelation to Gordon and Deva about her past. Investigating the murder of four Marines, Lucas eyes the chance of a huge if dangerous heist.

As Lucas and Carrie case the tunnels under Camp Genoa, Proctor and Rebecca find themselves in a territorial faceoff with two rival drug suppliers. Carrie tries to end a relationship with Colonel Douglas Stowe, who may be misrepresenting the amount of cash in Camp Genoa.

Lucas' secret is threatened when he's arrested by FBI Special Agent Robert Phillips, but both men end up at the mercy of Raymond Brantley, a mob kingpin with a deadly mobile agenda. Against Chayton's orders, Tommy Littlestone spearheads a second strike against Proctor.

Siobhan is torn between exposing Lucas and keeping his secret. Job and Sugar mop up critical surveillance. Carrie takes off on a thrill ride after walking out on her job while Gordon changes his mind about Proctor's plea bargain. Chayton readies his army for an assault.

All hell breaks loose as Chayton and an army of Redbones invade Banshee, looking to avenge Tommy's death at the hands of Raven, the Kinaho tribesman-turned-deputy. As the assault reaches a fever pitch, Bunker tries to prove to Medding 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. Still stung by Proctor's rebuke, Rebecca is further chagrined to learn of her uncle's burgeoning romance with Emily.

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. 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. Sugar looks to repay an old boxing debt, while 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 relationship, while Stowe and Leo land a big fish.

Lucas prepares to return to Genoa for a final negotiation with Stowe. Joined by Rebecca and a new ally, Proctor heads to Philly to settle a score with Frazier and the Black Beards. After a bloody denouement in Banshee, Brock finally gets what he's been wishing for.