The CBI team investigates when the body of a female army medic who worked with soldiers suffering from PTSD is found near a military base.
Raylan squares off with a pair of Detroit hit men; the battle between Boyd and Quarles comes to a head.
Raylan is put 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.
Raylan closes in on an ever-more-unpredictable Quarles; Boyd enters into an alliance with Dickie Bennett in a last-ditch attempt to recover Mags' fortune.
When a robbery-homicide leaves three restaurant employees dead, a cold case that occurred in the same town six years earlier could yield a lead.
