Cullen and Durant discuss with President Grant what will be the future of the railroad; The Swede goes ahead with his plan against the Mormons. ...

Cullen contends with violence in Chinatown set off by disgruntled railroad workers. The Swede manipulates Phineas in his plot against the Mormons. ...

Cullen enlists a crew of Chinese workers to help him move a locomotive from Truckee to the Summit Tunnel on a sled. An accident forces Cullen and Fong to work together to ...

Cullen finds a route through the mountains to Ogden, Utah. ...