A murder forces Raylan to confront his past mistakes; Boyd grapples with Harlan's corrupt sheriff; Quarles raises the stakes in his war with Boyd.
The diner gang accompanies Max as she heads to Rhode Island to track down her birth father; Oleg is upset when Sophie wants him to help out around the house.
Raylan's feud with Quarles and the Detroit mob heats up; Raylan's interest in the oxy market put at odds with the FBI.
The investigation in Texas reveals a deep web of corruption; Garcia must save a friend.
Hiro focuses on saving the lives of others; Angela tries to help Nathan remember his past; Tracy tries to get her old job back.