The Swede murders Joseph Dutson. Ezra escapes. After a competency hearing, Gen. Grant gives Cullen 20 days to reach Cheyenne.
The Swede, as Bishop Dutson, marries Cullen and Naomi Hatch (who's pregnant). Durant is reinstated as U.P. chief. A bear attacks Elam.
Cullen convinces the men to work on Sunday to meet Gen. Grant's deadline. Aaron Hatch kidnaps Cullen after a firefight in Cheyenne.
Cullen regains the Union Pacific Chief Engineer position. Eva's daughter is born. Durant is released from prison.
Cullen helps Elam search for and find Eva's missing baby instead of moving the town ahead of heavy rain.
Cullen searches for water. Mickey helps Sean dispose of Sen. Metcalf's corpse. The Swede joins the Mormons. Eva gives Declan her baby.
Cullen and Elam play stickball with the Kiowa. The Swede becomes close with the future Bishop Dutson. Eva's baby is stolen.
Cullen hangs the son of Mormon homesteaders for murdering his Chief of Police. Elam is promoted. Sean spies on Cullen for Durant.
Elam evicts Eva. Malone investigates Sen. Metcalf's disappearance. Durant and Cullen meet with Collis Huntington. Mickey kills Sean.
Wranglers steal Union Pacific cattle. Maj. Bendix kills the Indians Cullen suspected of the heist. Declan Toole offers to marry Eva.