Gunslinging U.S. Marshal Raylan Givens faces off against his oldest friend in Harlan, Kentucky, a 21st Century Wild West.

Raylan and Winona's idyll is shattered by violence, as Boyd and the Bennetts struggle to rise from the ashes of chaos in Harlan.

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

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.

The arrival of a Detroit mobster in Lexington puts Raylan on a collision course with a sadistic Dixie Mafia hit man. Raylan also has another altercation with Boyd.

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.

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