The end of Season 2 brought about the end of the Bennett family's hold over Harlan County and the return of Raylan's old nemesis/friend Boyd Crowder to the criminal life. This season, Boyd and his crew will find they aren't the only ones making a play to rule the Harlan underworld. Now Raylan finds himself facing off against dirty politics, hidden fortunes, a mysterious man named Limehouse and an enterprising and lethal criminal from the Motor City.
The arrival of a dangerous new player in Lexington puts Raylan on a collision course with a sadistic Dixie Mafia hitman.
The murder of a fellow Marshal throws Raylan together with a woman from his past. Boyd engineers a showdown with Dickie Bennett.
Raylan's face-off with a tyrannical Oxy dealer puts him on a collision course with the new head of the Dixie Mafia. Boyd fights to take back part of his family's empire, but his methods threaten to tear his crew apart.
A daring prison escape puts Raylan on the trail of two of his old adversaries. 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.
Boyd fights for control of the Harlan Oxy trade as Raylan works to keep the battle from becoming an all-out war.
As his feud with Quarles and the Detroit mob heats up, Raylan's tactics puts him at odds with the FBI.
Winona's (Natalie Zea) estranged husband becomes a pawn in a deadly attempt to discredit Raylan (Timothy Olyphant) by framing him for murder and making him the target of an FBI investigation into corruption in the U.S. Marshals office. Meanwhile, Ellstin Limehouse (guest star Mykelti Williamson) becomes a sought after ally in the battle for control of Harlan County
As Boyd (Walton Goggins) looks to avoid being framed for the bombing of the sheriff's car, Raylan (Timothy Olyphant) turns up the pressure on a mob boss who is looking to control Harlan County. Meanwhile, a holdup gone awry places Ava (Joelle Carter) in a position to control her own criminal enterprise in Harlan
Raylan struggles to keep Dickie Bennett in prison while contending with an increasingly violent 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 an ever-more-unpredictable Quarles, Boyd enters into an unlikely alliance with Dickie Bennett in a last-ditch attempt to recover Mags' 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.