Durant faces a threat to the rolling city, while a terrible crime leads Lily and Elam to join together in order to get justice.
Cullen must deal with his transgressions and Elam isn't happy about his decision. With Lily now a major force in the design of the railroad, she and Durant push the railroad west.
Cullen Bohannon and the search party find the Cheyenne 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.moreless
A train is derailed by the Cheyenne and 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, which allows her to become fast friends with Eva. Tension mounts for Cullen's team in the pursuit of the renegade Indian tribe.moreless
When Durant abruptly stops negotiating with the Cheyenne natives, Cullen and Elam will have to work together in order to save the lives of many in town.
Joseph Black Moon and Reverend Nathaniel Cole travel into Cheyenne territory in hopes of a peace talk, while Joseph's brother endures a native ritual; Lily Bell and Thomas Durant continue to discuss the future of the railroad construction; and Cullen Bohannon and his crewman Elam settle their differences in a public fight.moreless