The Crowder and the Bennett clans go to war over control of Harlan, a move that leaves dead and dying on both sides.

After capturing Drew Thompson, Raylan must find a way to get him past Boyd and the Detroit mob henchmen who've been sent to stop him.

In the season finale, things come to a head in Harlan when the worlds of Raylan, Boyd and Bo Crowder collide.

Raylan and the Marshals scramble to deal with a crisis that threatens all of their careers. Duffy, Mike, and Katherine question the meaning of loyalty.

A shocking murder forces Raylan to face past mistakes. Meanwhile, Boyd goes up against Harlan's corrupt sheriff.

Raylan has one last shot at taking down Art's would-be assassin, while cartel killers have Boyd's back against the wall.

As Raylan puts more pressure on his CIs, Boyd makes a move on Markham’s money, and Ava finds herself caught in the crossfire again.

Just as the bad blood between the Bennetts and the coal company threatens to boil over, Raylan must thwart one of Mags' sons.

Raylan faces off with a tyrannical Oxy dealer, putting him on a collision course with the new head of the Dixie Mafia. Meanwhile, Boyd fights to regain part of his family's empire, but his methods could rip his crew apart.

Boyd uses the Detroit mob's contract on Drew Thompson to target his own enemies, while Raylan's search leads him to question Harlan's imprisoned former sheriff.

Detroit mob leader Nicky Augustine targets Winona in order to convince Raylan to turn over Drew Thompson, while Boyd and Ava devise a ruse to dispose of Delroy's corpse.

Raylan extends an unexpected offer to Markham. Boyd and Ava find themselves in Walker’s dangerous company.

Raylan and Boyd each test Ava's loyalty, and Markham's plans to win over Harlan go awry.

A deadly home invasion hits Raylan personally, placing him in a race with Boyd and Arlo to find the killer. Mags is forced to make decisions about her involvement in the Bennett family's criminal activities and the fate of Dickie, who has a deadly plan to absolve himself of responsibility.

A daring prison escape puts Raylan on the trail of two old foes. Meanwhile, Boyd confronts a traitor in his inner circle.

Following an attack on the Marshal's Service to avenge Danny's death, Boyd lands in the hot seat with Duffy and Picker. As Raylan struggles with being pushed aside at work, a powerful inmate's murder presents both danger and opportunity for Ava.

Raylan guides Ava through the process of informing on Boyd and tries to turn Boyd's old ally Dewey Crowe against him as well, all while Boyd works to pull off a daring heist right under Raylan's nose.

Raylan and Boyd’s paths cross as they search for Ava in the mountains. Markham recruits an unlikely ally to his cause.

Raylan's hunt for a killer puts him on a collision course with the Bennett clan, while Boyd plots a heist with treacherous new partners.

Raylan realizes he wasn't the sole target of an attempted assassination, and confronts the unlikely culprit once and for all.

Raylan and Boyd collide on the hunt for Dewey Crowe, while bad blood simmering in the Crowe family finally boils over.

Raylan, Boyd, and Ava fight one last, bloody battle to find out who leaves Harlan alive.

Raylan has a few drinks and gets himself beaten up, after being suspended as a Marshall. He pulls himself together and decides to jeopardise his career further by going after the thugs who have been harassing his ex-wife's new husband.

When a terminally ill ex-con is linked to a bank heist, Art and Raylan must find him before he and his young henchmen can strike again. However, the manhunt is complicated when Winona worries that a hundred-dollar bill she took from an evidence room locker will be traced back to her after it is taken in the robbery.

Winona's blunder could put her behind bars, unless Raylan can weave his way through a federal courthouse locked down over death threats.