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

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.

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.

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

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

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.

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.

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

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

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.

While working to undermine the murder charges against Ava, Boyd reaches out for new partners. Art steps up his investigation of the Tonin crime family.

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

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

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 puts pressure on every criminal in town as a ploy to arrest Darryl Crowe Jr., while Boyd and Duffy enlist an unlikely ally to fight off cartel killers.

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 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.

Obsessions collide when Raylan's search for Drew Thompson leads him to question the inmate who killed Arlo, while Colt's confession sends Boyd looking for Ellen May.

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

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

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

With his identity exposed, Drew Thompson goes on the run from Raylan's law enforcement dragnet and Boyd's plan to turn him over to the Detroit mob.

As Boyd learns of his jealous cousin’s plan to take over the Crowder crime empire, Raylan looks to keep Drew Thompson talking by reuniting him with Ellen May.

Raylan investigates a murder that has sown discord in Markham's camp. Boyd's latest heist forces him to revisit his mining days.

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.