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

Raylan hunts an escaped prisoner who is determined to reunite with his ex-wife...and his stashed fortune.

When Boyd Crowder and his crusaders become vigilantes, Raylan takes it upon himself to try to shut them down.

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.

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.

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.

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 Raylan investigates the Crowe crime family's role in the disappearance of a corrupt Florida Coast Guard officer, Boyd revives a failed drug deal to help keep Ava's murder case from going to trial.

Boyd's plan to keep Ava from being tried threatens to unravel while an unexpected reunion with Loretta McCready pits Raylan against two hit men working for a ruthless Memphis drug lord.

Overseeing an asset forfeiture leads Raylan to discover a crime boss' hidden treasure, while Boyd continues his efforts to try to clear Ava's name. Dewey's cousins arrive from Florida to take over Audrey's.

The search for a missing government informant pits Raylan against both the Crowder and Crowe clans while an investigation into in the death of Nicky Augustine threatens to implicate Raylan. A standoff with Johnny reveals a powerful rival to Boyd's drug business.

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.

As Art's frustration with Raylan boils over, the Crowe family battles both the U.S. Marshals and the Crowders to stay in Harlan. Boyd enlists unlikely allies to ensure Ava's safety in prison and regain control of the local drug trade.

A computer hacker leads Raylan on a wild goose chase. Ava looks to secure her safety in prison, while Boyd and Johnny square off over a heroin deal in Mexico.

When Kendal takes off with his uncle Jack, Raylan's search exposes the truth about their relationship to Wendy. Meanwhile, Boyd and the Crowes move heroin across the Mexican border, and Ava sets up a drug smuggling operation in prison.

Raylan partners with a maverick DEA agent whose bad behavior feels uncomfortably familiar, while Boyd makes a hard choice to protect Ava.

Raylan and Boyd collide on the hunt for Dewey Crowe, while bad blood simmering in the Crowe family finally boils over.

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.