Raylan chases a missing Kendal Crowe; Boyd and his new partners fight their way back across the border.
The team heads to Texas to track a serial killer targeting illegal immigrants.
An attack on Alison sends Raylan to Harlan in search of payback; Boyd scrambles to arrange protection for Ava.
Raylan has one last shot at taking down Art's would-be assassin; cartel killers have Boyd's back against the wall.
Raylan puts pressure on every criminal in town as a ploy to arrest Darryl Crowe Jr.; Boyd and Duffy enlist an unlikely ally to fight off cartel killers.