Raylan's investigation brings him into conflict with a paramilitary outfit, while Boyd and his partners try to salvage a profit from their heist.

Raylan follows a trail of illegal explosives in an attempt to pin Boyd, who discovers he's run afoul of a dangerous new player in town.

Raylan declares war on the deadly men who are forcing Harlan's most valuable real estate to change hands, while Boyd and Duffy seek out a crackpot safecracker to help do their dirty work.

When Ava makes a drastic decision, Raylan turns to an old friend for help. A suspicious Duffy looks into Ava’s release from prison.

Raylan investigates a murder that has sown discord in Markham's camp. Boyd's latest heist forces him to revisit his mining days.

Raylan extends an unexpected offer to Markham. Boyd and Ava find themselves in Walker’s dangerous company.

Raylan and Boyd each test Ava's loyalty, and Markham's plans to win over Harlan go awry.

As Raylan puts more pressure on his CIs, Boyd makes a move on Markham’s money, and Ava finds herself caught in the crossfire again.

Raylan and the Marshals scramble to deal with a crisis that threatens all of their careers. Duffy, Mike, and Katherine question the meaning of loyalty.

Raylan and Boyd’s paths cross as they search for Ava in the mountains. Markham recruits an unlikely ally to his cause.

Raylan, Boyd, and Ava fight one last, bloody battle to find out who leaves Harlan alive.