Raylan's tactics put him at odds with the FBI as he intensifies his efforts to take down Quarles and the Detroit mob.

Raylan struggles to keep Dickie Bennett in prison while contending with an increasingly violent and unpredictable Quarles.

Raylan squares off with a pair of merciless Detroit hit men. The battle between Boyd and Quarles comes to a head.

Raylan investigates a burglary that's uncovered a diplomatic courier's bag hidden in his imprisoned father's house, while a new preacher's ministry cuts into Boyd's drug trade.

Following the murder of an imprisoned Dixie Mafia soldier, Raylan looks for a longtime fugitive whose ID was found inside the diplomatic pouch hidden at Arlo's house. Meanwhile, Boyd suspects the St. Cyr siblings of undermining his drug business.

Raylan discovers some disturbing truths about his girlfriend Lindsey and her violent ex-husband, while Boyd looks to convince Billy and Cassie to leave Harlan.

Raylan enlists Rachel in his pursuit of Lindsey and her jealous ex-husband Randall, while Boyd looks to keep Ellen May quiet about the crimes she's witnessed.