1第 1 集
Cullen is in California with the Central Pacific Railroad, and must deal with the new workers.
2第 2 集
Cullen and Fong find themselves in peril as they transport a locomotive over the Sierra Nevada mountains. The Swede gains Phineas' trust.
3第 3 集
Cullen contends with violence in Chinatown set off by disgruntled railroad workers. Meanwhile, the Swede manipulates Phineas in his plot against the Mormons.
4第 4 集
Cullen solves a Chinese labor strike in the wake of violence. Meanwhile, Durant pulls Mickey deeper into Union Pacific business.
5第 5 集
Unexpected violence erupts in Chinatown during the festival of Tin Hau Don; Cullen confronts the Swede; and Durant involves Maggie in his latest scheme.
6第 6 集
Cullen and Mei escort precious cargo through the California wilderness; Eva nurses Louise back to health.
7第 7 集
Cullen and Durant meet with President Grant to discuss the future of the railroad; the Swede puts his plan against the Mormons in action.
8第 8 集
The Swede's murderous rampage on the Hatch homestead results in a long overdue showdown with Cullen.
10第 10 集
Cullen's nitroglycerin experiment provides an explosive backdrop for the railroad life in Truckee. Durant's plan turns deadly.