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

A shocking murder forces Raylan to face past mistakes. Meanwhile, Boyd goes up against Harlan's corrupt sheriff.

Detroit mob leader Nicky Augustine targets Winona in order to convince Raylan to turn over Drew Thompson, while Boyd and Ava devise a ruse to dispose of Delroy's corpse.

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.