While continuing the search for his family, Cullen adjusts to life working for the competition on the Central Pacific Railroad.

Despite being deceived, Bohannon bonds with one of the Chinese laborers.

Chang deflects agnst from Irish laborers while the Swede continues molding young Phineas.

A power struggle ignites between Bohannon and Chang. Meanwhile, Durant offers Mickey the new foreman job while Eva stands her ground against opposition.

Chang's fued with Tao climaxes as Cullen investigates the Swede's true intentions. In Laramie, a combative Maggie returns while Eva tends to Louise.

Mei deals with the aftermath of her father's death while Brigham Young visits Durant in Laramie.

President Grant arrives to negotiate with Brigham Young and the railroad tycoons on finalizing the railroad terminus. Eva ends a threat. Phineas moves against his father.

As The Swede closes in on Cullen's family, the two enemies face off one final time.

Against the wishes of Jim Strobridge, Cullen uses nitroglycerin to make strides. Meanwhile, the angry folks of Laramie seek justice against Durant.

Durant's latest scheme backfires, triggering a visit from Governor Campbell.

Mei is in the crossfire of Chang and Cullen's power struggle.