A former confederate soldier journeys to the transcontinental railroad to seek vengeance.

Cullen fights for his life as he answers for his deadly actions. Lily struggles to survive in the wilderness, as Durant attempts to spin tragedy for political gain.

Cullen's search for the sergeant is diverted by an unexpected obstacle. Durant organizes a search party to retrieve the missing Lily Bell.

Cullen closes in on the Sergeant. Durant pursues a hidden agenda while helping Lily recuperate. Written by AMC Publicity

Joseph Black Moon and Reverend Nathaniel Cole travel into Cheyenne territory in hopes of a peace talk. Lily Bell and Thomas Durant discuss the future of the railroad construction. Cullen Bohannon and Elam settle their differences in a public fight. Written by Chris Wylie

Durant attempts to end ongoing negotiations with the Cheyenne by challenging them to a competition.

Durant and Lily travel to Chicago - he, to further discuss the railroad with Senator Crane; she, to meet with her deceased husband's family. The Irishmen from Hell On Wheels prepare to hang Elam. Cullen interferes and helps him escape.

A train is derailed by the Cheyenne. Durant orders Cullen to lead a team to track them. Lily moves out of Durant's coach and into her own tent beside the brothel. Tension mounts for Cullen's team in the pursuit of the renegade Indian tribe. Written by Chris Wylie

Cullen and the search party find the natives who attacked the surveyor's camp and later derailed a train; Elam and Eva discuss their future, before getting a strange visitor; and the railroad crew reaches the important 40-mile mark.

Cullen's new life on the railroad is put in jeopardy when he is forced to choose between his past and his future. Written by AMC Publicity