As Raylan (Timothy Olyphant) investigates the Crowe crime family’s role in the disappearance of a corrupt Florida Coast Guard officer, Boyd (Walton Goggins) revives a failed drug deal to help keep Ava’s (Joelle Carter) murder case from going to trial.
The search for a missing government informant pits Raylan (Timothy Olyphant) against both the Crowder and Crowe clans, while a standoff with Cousin Johnny (David Meunier) reveals a powerful rival to Boyd’s (Walton Goggins) drug business. An investigation into the death of mob boss Nicky Augustine threatens to implicate Raylan.
As Art’s (Nick Searcy) frustration with Raylan (Timothy Olyphant) boils over, the Crowe family battles both the U.S. Marshals and the Crowders to stay in Harlan. Boyd (Walton Goggins) enlists unlikely allies to ensure Ava’s (Joelle Carter) safety in prison and regain control of the local drug trade.
Raylan (Timothy Olyphant) and Boyd (Walton Goggins) collide while hunting for Dewey Crowe (Damon Herriman).
Following an attack on the Marshal’s Service to avenge Danny Crowe’s death, Boyd (Walton Goggins) lands in the hot seat with Duffy (Jere Burns) and Picker (John Kapelos). As Raylan (Timothy Olyphant) struggles with being pushed aside at work, a powerful inmate’s murder presents both danger and opportunity for Ava (Joelle Carter).