Durant files an injunction against Union Pacific, threatening Cullen's position; Elam deals with a dangerous newcomer.

Cullens's family is at risk when a stranger arrives, stirring up old feelings; The Swede faces the consequences.

Cullen is in California with the Central Pacific Railroad, and must deal with the new workers.

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