As Cullen plans an exit from Fort Smith, he challenges The Swede; when a new adversary arrives, Cheyenne feels his presence.

Cullen deals with trouble at home as he takes railroad matters into his own hands. Campbell makes a move against Durant and Mickey.

Cullens's family is at risk when a stranger arrives, stirring up old feelings; The Swede faces the consequences.

Cullen makes a decision to ensure his family's safety. Campbell hires a new federal marshal to clean up the streets.

Cullen, Durant, and Campbell try to negotiate a settlement on how the streets will be policed. An act of terror strikes Cheyenne.

Mickey's dirty business with Durant leaves him with blood on his hands. Meanwhile, Campbell's return to town complicates Louise's life.