The murder 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 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.

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 murder 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.

While Raylan closes in on an ever-more-unpredictable Quarles, Boyd enters into an unlikely alliance with Dickie Bennett in a last-ditch attempt to recover Mags's fortune.

After the murder of his friend, Raylan is a man on fire as he goes after any- and everyone he holds responsible on the way to a bloody final showdown.