Raylan tangles with a ruthless Harlan County crime family while hunting for a fugitive sex offender.

The hijacking of a bus full of drugs ends in murder, and Raylan pursues the likely culprit: Boyd Crowder.

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 is assigned to protect a local coal mine executive as she tries to buy up land for the company but faces opposition from the Bennett clan.

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

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.

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

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.

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 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.