A former confederate soldier journeys to the transcontinental railroad to seek vengeance.
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.
Durant’s answer to the railroad’s latest financial problems spurs a bare-knuckle brawl between Cullen and Elam.
After tragedy strikes one of their own, Cullen must diffuse an internal threat to the railroad.
