Raylen turns to an art collector to help bring a criminal to justice, but the case soon turns to a murder investigation. Meanwhile, Raylen's ex-wife turns to him for help, and he turns to Boyd Crowder to gather dirt on his father.
Raylan tries to defuse a hostage situation in the Marshals' office without any casualties, and later discovers that his relationship with Ava could have repercussions on Boyd Crowder's prison sentence.
Fresh out of prison, Boyd Crowder begins his mission to bring "religion" to the backwoods. Meanwhile Raylan starts trying to make a new case against Boyd while working as a bodyguard for a judge whose life has been threatened.
Raylan learns that his dad's life is in danger because he ran Bo Crowder's business while Bo was in prison and ran it into the ground. Raylan turns to an unlikely source to pin a meth lab killing on Boyd Crowder.
The marshals are forced to turn to Arlo for help in making a case against Bo Crowder, but will he go along? Meanwhile, Bo is having problems of his own with Boyd, who continues to wage a religious war against his drug business.