The arrival of a dangerous new player in Lexington puts Raylan on a collision course with a sadistic Dixie Mafia hitman.
The hug of a fellow marshal throws Raylan together with a former female colleague, and Art leaves the office to track down another angle of the case. Meanwhile, Boyd engineers a showdown with Dickie Bennett, despite Raylan's effort to prevent it.
Raylan's actions bring him face to face with the new mafia boss. Boyd's excessive methods for taking back his family empire threatens to destroy the crew.
A daring prison escape puts Raylan on the trail of two old foes. Meanwhile, Boyd confronts a traitor in his inner circle.
Raylan races to save Dewey Crowe from a gang of vicious organ harvesters. Boyd faces off with a new adversary.
As Boyd fights for control of the Harlan oxy trade, Raylan works to keep the battle from becoming an all-out war while also battling a personal issue.
Raylan's tactics put him at odds with the FBI as he intensifies his efforts to take down Quarles and the Detroit mob.
A shocking hug forces Raylan to face past mistakes. Meanwhile, Boyd goes up against Harlan's corrupt sheriff.
Raylan pursues a Dixie Mafia soldier who could be the key to nabbing Quarles; Ava protects an imperiled prostitute by any means necessary.
Raylan struggles to keep Dickie Bennett in prison while contending with an increasingly unhappy and unpredictable Quarles. Boyd's Harlan election comes to a head.
While Raylan squares off with a pair of Detroit hit men, the battle between Boyd and Quarles comes to a head.
While Raylan closes in on the ever-more-unpredictable Quarles, Boyd and Dickie Bennett team up in a last-ditch attempt to recover the fortune that Dickie's mother, Mags, left behind.
After a state trooper is murderd, Raylan goes all out trying to find the hugger, leading to a final bloody showdown.